__license__   = 'GPL v3'
__copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'

''' Post installation script for linux '''

import sys, os, cPickle, textwrap, stat, errno
from subprocess import check_call
from functools import partial

from calibre import __appname__, prints, guess_type
from calibre.constants import islinux, isnetbsd, isbsd
from calibre.customize.ui import all_input_formats
from calibre.ptempfile import TemporaryDirectory
from calibre import CurrentDir


entry_points = {
        'console_scripts': [
             'ebook-device       = calibre.devices.cli:main',
             'ebook-meta         = calibre.ebooks.metadata.cli:main',
             'ebook-convert      = calibre.ebooks.conversion.cli:main',
             'ebook-polish       = calibre.ebooks.oeb.polish.main:main',
             'markdown-calibre   = calibre.ebooks.markdown.__main__:run',
             'web2disk           = calibre.web.fetch.simple:main',
             'calibre-server     = calibre.library.server.main:main',
             'lrf2lrs            = calibre.ebooks.lrf.lrfparser:main',
             'lrs2lrf            = calibre.ebooks.lrf.lrs.convert_from:main',
             'calibre-debug      = calibre.debug:main',
             'calibredb          = calibre.library.cli:main',
             'calibre-parallel   = calibre.utils.ipc.worker:main',
             'calibre-customize  = calibre.customize.ui:main',
             'calibre-complete   = calibre.utils.complete:main',
             'fetch-ebook-metadata = calibre.ebooks.metadata.sources.cli:main',
             'calibre-smtp = calibre.utils.smtp:main',
        ],
        'gui_scripts' : [
            __appname__+' = calibre.gui2.main:main',
            'lrfviewer    = calibre.gui2.lrf_renderer.main:main',
            'ebook-viewer = calibre.gui2.viewer.main:main',
            'ebook-edit   = calibre.gui2.tweak_book.main:main',
                            ],
      }

class PreserveMIMEDefaults(object):

    def __init__(self):
        self.initial_values = {}

    def __enter__(self):
        def_data_dirs = '/usr/local/share:/usr/share'
        paths = os.environ.get('XDG_DATA_DIRS', def_data_dirs)
        paths = paths.split(':')
        paths.append(os.environ.get('XDG_DATA_HOME', os.path.expanduser(
            '~/.local/share')))
        paths = list(filter(os.path.isdir, paths))
        if not paths:
            # Env var had garbage in it, ignore it
            paths = def_data_dirs.split(':')
        paths = list(filter(os.path.isdir, paths))
        self.paths = {os.path.join(x, 'applications/defaults.list') for x in
                paths}
        self.initial_values = {}
        for x in self.paths:
            try:
                with open(x, 'rb') as f:
                    self.initial_values[x] = f.read()
            except:
                self.initial_values[x] = None

    def __exit__(self, *args):
        for path, val in self.initial_values.iteritems():
            if val is None:
                try:
                    os.remove(path)
                except:
                    pass
            elif os.path.exists(path):
                try:
                    with open(path, 'r+b') as f:
                        if f.read() != val:
                            f.seek(0)
                            f.truncate()
                            f.write(val)
                except EnvironmentError as e:
                    if e.errno != errno.EACCES:
                        raise

# Uninstall script {{{
UNINSTALL = '''\
#!{python}
from __future__ import print_function, unicode_literals
euid = {euid}

import os, subprocess, shutil

try:
    raw_input
except NameError:
    raw_input = input

if os.geteuid() != euid:
    print ('The installer was last run as user id:', euid, 'To remove all files you must run the uninstaller as the same user')
    if raw_input('Proceed anyway? [y/n]:').lower() != 'y':
        raise SystemExit(1)

frozen_path = {frozen_path!r}
if not frozen_path or not os.path.exists(os.path.join(frozen_path, 'resources', 'calibre-mimetypes.xml')):
    frozen_path = None

for f in {mime_resources!r}:
    cmd = ['xdg-mime', 'uninstall', f]
    print ('Removing mime resource:', os.path.basename(f))
    ret = subprocess.call(cmd, shell=False)
    if ret != 0:
        print ('WARNING: Failed to remove mime resource', f)

for x in tuple({manifest!r}) + tuple({appdata_resources!r}) + (os.path.abspath(__file__), __file__, frozen_path):
    if not x or not os.path.exists(x):
        continue
    print ('Removing', x)
    try:
        if os.path.isdir(x):
            shutil.rmtree(x)
        else:
            os.unlink(x)
    except Exception as e:
        print ('Failed to delete', x)
        print ('\t', e)

icr = {icon_resources!r}
mimetype_icons = []

def remove_icon(context, name, size, update=False):
    cmd = ['xdg-icon-resource', 'uninstall', '--context', context, '--size', size, name]
    if not update:
        cmd.insert(2, '--noupdate')
    print ('Removing icon:', name, 'from context:', context, 'at size:', size)
    ret = subprocess.call(cmd, shell=False)
    if ret != 0:
        print ('WARNING: Failed to remove icon', name)

for i, (context, name, size) in enumerate(icr):
    if context == 'mimetypes':
        mimetype_icons.append((name, size))
        continue
    remove_icon(context, name, size, update=i == len(icr) - 1)

mr = {menu_resources!r}
for f in mr:
    cmd = ['xdg-desktop-menu', 'uninstall', f]
    print ('Removing desktop file:', f)
    ret = subprocess.call(cmd, shell=False)
    if ret != 0:
        print ('WARNING: Failed to remove menu item', f)

print ()

if mimetype_icons and raw_input('Remove the ebook format icons? [y/n]:').lower() in ['', 'y']:
    for i, (name, size) in enumerate(mimetype_icons):
        remove_icon('mimetypes', name, size, update=i == len(mimetype_icons) - 1)
'''

# }}}

class ZshCompleter(object):  # {{{

    def __init__(self, opts):
        self.opts = opts
        self.dest = None
        base = os.path.dirname(self.opts.staging_sharedir)
        self.detect_zsh(base)
        if not self.dest and base == '/usr/share':
            # Ubuntu puts site-functions in /usr/local/share
            self.detect_zsh('/usr/local/share')

        self.commands = {}

    def detect_zsh(self, base):
        for x in ('vendor-completions', 'vendor-functions', 'site-functions'):
            c = os.path.join(base, 'zsh', x)
            if os.path.isdir(c) and os.access(c, os.W_OK):
                self.dest = os.path.join(c, '_calibre')
                break

    def get_options(self, parser, cover_opts=('--cover',), opf_opts=('--opf',),
                    file_map={}):
        if hasattr(parser, 'option_list'):
            options = parser.option_list
            for group in parser.option_groups:
                options += group.option_list
        else:
            options = parser
        for opt in options:
            lo, so = opt._long_opts, opt._short_opts
            if opt.takes_value():
                lo = [x+'=' for x in lo]
                so = [x+'+' for x in so]
            ostrings = lo + so
            if len(ostrings) > 1:
                ostrings = u'{%s}'%','.join(ostrings)
            else:
                ostrings = ostrings[0]
            exclude = u''
            if opt.dest is None:
                exclude = u"'(- *)'"
            h = opt.help or ''
            h = h.replace('"', "'").replace('[', '(').replace(
                ']', ')').replace('\n', ' ').replace(':', '\\:').replace('`', "'")
            h = h.replace('%default', type(u'')(opt.default))
            arg = ''
            if opt.takes_value():
                arg = ':"%s":'%h
                if opt.dest in {'extract_to', 'debug_pipeline', 'to_dir', 'outbox', 'with_library', 'library_path'}:
                    arg += "'_path_files -/'"
                elif opt.choices:
                    arg += "(%s)"%'|'.join(opt.choices)
                elif set(file_map).intersection(set(opt._long_opts)):
                    k = set(file_map).intersection(set(opt._long_opts))
                    exts = file_map[tuple(k)[0]]
                    if exts:
                        arg += "'_files -g \"%s\"'"%(' '.join('*.%s'%x for x in
                                tuple(exts) + tuple(x.upper() for x in exts)))
                    else:
                        arg += "_files"
                elif (opt.dest in {'pidfile', 'attachment'}):
                    arg += "_files"
                elif set(opf_opts).intersection(set(opt._long_opts)):
                    arg += "'_files -g \"*.opf\"'"
                elif set(cover_opts).intersection(set(opt._long_opts)):
                    arg += "'_files -g \"%s\"'"%(' '.join('*.%s'%x for x in
                                tuple(pics) + tuple(x.upper() for x in pics)))

            help_txt = u'"[%s]"'%h
            yield u'%s%s%s%s '%(exclude, ostrings, help_txt, arg)

    def opts_and_exts(self, name, op, exts, cover_opts=('--cover',),
                      opf_opts=('--opf',), file_map={}):
        if not self.dest:
            return
        exts = set(exts).union(x.upper() for x in exts)
        pats = ('*.%s'%x for x in exts)
        extra = ("'*:filename:_files -g \"%s\"' "%' '.join(pats),)
        opts = '\\\n  '.join(tuple(self.get_options(
            op(), cover_opts=cover_opts, opf_opts=opf_opts, file_map=file_map)) + extra)
        txt = '_arguments -s \\\n  ' + opts
        self.commands[name] = txt

    def opts_and_words(self, name, op, words, takes_files=False):
        if not self.dest:
            return
        extra = ("'*:filename:_files' ",) if takes_files else ()
        opts = '\\\n  '.join(tuple(self.get_options(op())) + extra)
        txt = '_arguments -s \\\n  ' + opts
        self.commands[name] = txt

    def do_ebook_convert(self, f):
        from calibre.ebooks.conversion.plumber import supported_input_formats
        from calibre.web.feeds.recipes.collection import get_builtin_recipe_titles
        from calibre.customize.ui import available_output_formats
        from calibre.ebooks.conversion.cli import create_option_parser, group_titles
        from calibre.utils.logging import DevNull
        input_fmts = set(supported_input_formats())
        output_fmts = set(available_output_formats())
        iexts = {x.upper() for x in input_fmts}.union(input_fmts)
        oexts = {x.upper() for x in output_fmts}.union(output_fmts)
        w = lambda x: f.write(x if isinstance(x, bytes) else x.encode('utf-8'))
        # Arg 1
        w('\n_ebc_input_args() {')
        w('\n  local extras; extras=(')
        w('\n    {-h,--help}":Show Help"')
        w('\n    "--version:Show program version"')
        w('\n    "--list-recipes:List builtin recipe names"')
        for recipe in sorted(set(get_builtin_recipe_titles())):
            recipe = recipe.replace(':', '\\:').replace('"', '\\"')
            w(u'\n    "%s.recipe"'%(recipe))
        w('\n  ); _describe -t recipes "ebook-convert builtin recipes" extras')
        w('\n  _files -g "%s"'%' '.join(('*.%s'%x for x in iexts)))
        w('\n}\n')

        # Arg 2
        w('\n_ebc_output_args() {')
        w('\n  local extras; extras=(')
        for x in output_fmts:
            w('\n    ".{0}:Convert to a .{0} file with the same name as the input file"'.format(x))
        w('\n  ); _describe -t output "ebook-convert output" extras')
        w('\n  _files -g "%s"'%' '.join(('*.%s'%x for x in oexts)))
        w('\n  _path_files -/')
        w('\n}\n')

        log = DevNull()
        def get_parser(input_fmt='epub', output_fmt=None):
            of = ('dummy2.'+output_fmt) if output_fmt else 'dummy'
            return create_option_parser(('ec', 'dummy1.'+input_fmt, of, '-h'), log)[0]

        # Common options
        input_group, output_group = group_titles()
        p = get_parser()
        opts = p.option_list
        for group in p.option_groups:
            if group.title not in {input_group, output_group}:
                opts += group.option_list
        opts.append(p.get_option('--pretty-print'))
        opts.append(p.get_option('--input-encoding'))
        opts = '\\\n  '.join(tuple(
            self.get_options(opts, file_map={'--search-replace':()})))
        w('\n_ebc_common_opts() {')
        w('\n  _arguments -s \\\n  ' + opts)
        w('\n}\n')

        # Input/Output format options
        for fmts, group_title, func in (
            (input_fmts, input_group, '_ebc_input_opts_%s'),
            (output_fmts, output_group, '_ebc_output_opts_%s'),
        ):
            for fmt in fmts:
                is_input = group_title == input_group
                if is_input and fmt in {'rar', 'zip', 'oebzip'}:
                    continue
                p = (get_parser(input_fmt=fmt) if is_input
                     else get_parser(output_fmt=fmt))
                opts = None
                for group in p.option_groups:
                    if group.title == group_title:
                        opts = [o for o in group.option_list if
                                '--pretty-print' not in o._long_opts and
                                '--input-encoding' not in o._long_opts]
                if not opts:
                    continue
                opts = '\\\n  '.join(tuple(self.get_options(opts)))
                w('\n%s() {'%(func%fmt))
                w('\n  _arguments -s \\\n  ' + opts)
                w('\n}\n')

        w('\n_ebook_convert() {')
        w('\n  local iarg oarg context state_descr state line\n  typeset -A opt_args\n  local ret=1')
        w("\n  _arguments '1: :_ebc_input_args' '*::ebook-convert output:->args' && ret=0")
        w("\n  case $state in \n  (args)")
        w('\n    iarg=${line[1]##*.}; ')
        w("\n    _arguments '1: :_ebc_output_args' '*::ebook-convert options:->args' && ret=0")
        w("\n     case $state in \n    (args)")

        w('\n      oarg=${line[1]##*.}')
        w('\n      iarg="_ebc_input_opts_${(L)iarg}"; oarg="_ebc_output_opts_${(L)oarg}"')
        w('\n      _call_function - $iarg; _call_function - $oarg; _ebc_common_opts; ret=0')
        w('\n    ;;\n    esac')

        w("\n  ;;\n  esac\n  return ret")
        w('\n}\n')

    def do_calibredb(self, f):
        import calibre.library.cli as cli
        from calibre.customize.ui import available_catalog_formats
        parsers, descs = {}, {}
        for command in cli.COMMANDS:
            op = getattr(cli, '%s_option_parser'%command)
            args = [['t.epub']] if command == 'catalog' else []
            p = op(*args)
            if isinstance(p, tuple):
                p = p[0]
            parsers[command] = p
            lines = [x.strip().partition('.')[0] for x in p.usage.splitlines() if x.strip() and
                     not x.strip().startswith('%prog')]
            descs[command] = lines[0]

        f.write('\n_calibredb_cmds() {\n  local commands; commands=(\n')
        f.write('    {-h,--help}":Show help"\n')
        f.write('    "--version:Show version"\n')
        for command, desc in descs.iteritems():
            f.write('    "%s:%s"\n'%(
                command, desc.replace(':', '\\:').replace('"', '\'')))
        f.write('  )\n  _describe -t commands "calibredb command" commands \n}\n')

        subcommands = []
        for command, parser in parsers.iteritems():
            exts = []
            if command == 'catalog':
                exts = [x.lower() for x in available_catalog_formats()]
            elif command == 'set_metadata':
                exts = ['opf']
            exts = set(exts).union(x.upper() for x in exts)
            pats = ('*.%s'%x for x in exts)
            extra = ("'*:filename:_files -g \"%s\"' "%' '.join(pats),) if exts else ()
            if command in {'add', 'add_format'}:
                extra = ("'*:filename:_files' ",)
            opts = '\\\n        '.join(tuple(self.get_options(
                parser)) + extra)
            txt = '  _arguments -s \\\n        ' + opts
            subcommands.append('(%s)'%command)
            subcommands.append(txt)
            subcommands.append(';;')

        f.write('\n_calibredb() {')
        f.write((
            r'''
    local state line state_descr context
    typeset -A opt_args
    local ret=1

    _arguments \
        '1: :_calibredb_cmds' \
        '*::calibredb subcommand options:->args' \
        && ret=0

    case $state in
    (args)
    case $line[1] in
      (-h|--help|--version)
          _message 'no more arguments' && ret=0
      ;;
    %s
    esac
    ;;
    esac

    return ret
    '''%'\n    '.join(subcommands)).encode('utf-8'))
        f.write('\n}\n\n')

    def write(self):
        if self.dest:
            self.commands['calibredb'] = '  _calibredb "$@"'
            self.commands['ebook-convert'] = '  _ebook_convert "$@"'
            with open(self.dest, 'wb') as f:
                f.write('#compdef ' + ' '.join(self.commands)+'\n')
                self.do_ebook_convert(f)
                self.do_calibredb(f)
                f.write('case $service in\n')
                for c, txt in self.commands.iteritems():
                    if isinstance(txt, type(u'')):
                        txt = txt.encode('utf-8')
                    if isinstance(c, type(u'')):
                        c = c.encode('utf-8')
                    f.write(b'%s)\n%s\n;;\n'%(c, txt))
                f.write('esac\n')
# }}}

class PostInstall:

    def task_failed(self, msg):
        self.warn(msg, 'with error:')
        import traceback
        tb = '\n\t'.join(traceback.format_exc().splitlines())
        self.info('\t'+tb)
        print

    def warning(self, *args, **kwargs):
        print '\n'+'_'*20, 'WARNING','_'*20
        prints(*args, **kwargs)
        print '_'*50
        print ('\n')
        self.warnings.append((args, kwargs))
        sys.stdout.flush()

    def __init__(self, opts, info=prints, warn=None, manifest=None):
        self.opts = opts
        self.info = info
        self.warn = warn
        self.warnings = []
        if self.warn is None:
            self.warn = self.warning

        if not self.opts.staging_bindir:
            self.opts.staging_bindir = os.path.join(self.opts.staging_root,
            'bin')
        if not self.opts.staging_sharedir:
            self.opts.staging_sharedir = os.path.join(self.opts.staging_root,
            'share', 'calibre')
        self.opts.staging_etc = '/etc' if self.opts.staging_root == '/usr' else \
                os.path.join(self.opts.staging_root, 'etc')

        scripts = cPickle.loads(P('scripts.pickle', data=True))
        self.manifest = manifest or []
        if getattr(sys, 'frozen_path', False):
            if os.access(self.opts.staging_bindir, os.W_OK):
                self.info('Creating symlinks...')
                for exe in scripts.keys():
                    dest = os.path.join(self.opts.staging_bindir, exe)
                    if os.path.lexists(dest):
                        os.unlink(dest)
                    tgt = os.path.join(getattr(sys, 'frozen_path'), exe)
                    self.info('\tSymlinking %s to %s'%(tgt, dest))
                    os.symlink(tgt, dest)
                    self.manifest.append(dest)
            else:
                self.warning(textwrap.fill(
                    'No permission to write to %s, not creating program launch symlinks,'
                    ' you should ensure that %s is in your PATH or create the symlinks yourself' % (
                        self.opts.staging_bindir, getattr(sys, 'frozen_path', 'the calibre installation directory'))))

        self.icon_resources = []
        self.menu_resources = []
        self.mime_resources = []
        self.appdata_resources = []
        if islinux or isbsd:
            self.setup_completion()
        if islinux or isbsd:
            self.setup_desktop_integration()
        self.create_uninstaller()

        from calibre.utils.config import config_dir
        if os.path.exists(config_dir):
            os.chdir(config_dir)
            if islinux or isbsd:
                for f in os.listdir('.'):
                    if os.stat(f).st_uid == 0:
                        import shutil
                        shutil.rmtree(f) if os.path.isdir(f) else os.unlink(f)
                if os.stat(config_dir).st_uid == 0:
                    os.rmdir(config_dir)

        if warn is None and self.warnings:
            self.info('\n\nThere were %d warnings\n'%len(self.warnings))
            for args, kwargs in self.warnings:
                self.info('*', *args, **kwargs)
                print

    def create_uninstaller(self):
        base = self.opts.staging_bindir
        if not os.access(base, os.W_OK) and getattr(sys, 'frozen_path', False):
            base = sys.frozen_path
        dest = os.path.join(base, 'calibre-uninstall')
        self.info('Creating un-installer:', dest)
        raw = UNINSTALL.format(
            python='/usr/bin/python', euid=os.geteuid(),
            manifest=self.manifest, icon_resources=self.icon_resources,
            mime_resources=self.mime_resources, menu_resources=self.menu_resources,
            appdata_resources=self.appdata_resources, frozen_path=getattr(sys, 'frozen_path', None))
        try:
            with open(dest, 'wb') as f:
                f.write(raw)
            os.chmod(dest, stat.S_IRWXU|stat.S_IRGRP|stat.S_IROTH)
            if os.geteuid() == 0:
                os.chown(dest, 0, 0)
        except:
            if self.opts.fatal_errors:
                raise
            self.task_failed('Creating uninstaller failed')

    def setup_completion(self):  # {{{
        try:
            self.info('Setting up command-line completion...')
            from calibre.ebooks.metadata.cli import option_parser as metaop, filetypes as meta_filetypes
            from calibre.ebooks.lrf.lrfparser import option_parser as lrf2lrsop
            from calibre.gui2.lrf_renderer.main import option_parser as lrfviewerop
            from calibre.gui2.viewer.main import option_parser as viewer_op
            from calibre.gui2.tweak_book.main import option_parser as tweak_op
            from calibre.ebooks.metadata.sources.cli import option_parser as fem_op
            from calibre.gui2.main import option_parser as guiop
            from calibre.utils.smtp import option_parser as smtp_op
            from calibre.library.server.main import option_parser as serv_op
            from calibre.ebooks.oeb.polish.main import option_parser as polish_op, SUPPORTED
            from calibre.ebooks.oeb.polish.import_book import IMPORTABLE
            from calibre.debug import option_parser as debug_op
            from calibre.ebooks import BOOK_EXTENSIONS
            from calibre.customize.ui import available_input_formats
            input_formats = sorted(all_input_formats())
            tweak_formats = sorted(x.lower() for x in SUPPORTED|IMPORTABLE)
            zsh = ZshCompleter(self.opts)
            bc = os.path.join(os.path.dirname(self.opts.staging_sharedir),
                'bash-completion')
            if os.path.exists(bc):
                f = os.path.join(bc, 'calibre')
            else:
                if isnetbsd:
                    f = os.path.join(self.opts.staging_root, 'share/bash_completion.d/calibre')
                else:
                    f = os.path.join(self.opts.staging_etc, 'bash_completion.d/calibre')
            if not os.path.exists(os.path.dirname(f)):
                os.makedirs(os.path.dirname(f))
            bash_comp_dest, zsh_comp_dest = f, None
            if zsh.dest:
                self.info('Installing zsh completion to:', zsh.dest)
                self.manifest.append(zsh.dest)
                zsh_comp_dest = zsh.dest
            complete = 'calibre-complete'
            if getattr(sys, 'frozen_path', None):
                complete = os.path.join(getattr(sys, 'frozen_path'), complete)

            self.info('Installing bash completion to', f)
            with open(f, 'wb') as f:
                def o_and_e(*args, **kwargs):
                    f.write(opts_and_exts(*args, **kwargs))
                    zsh.opts_and_exts(*args, **kwargs)
                def o_and_w(*args, **kwargs):
                    f.write(opts_and_words(*args, **kwargs))
                    zsh.opts_and_words(*args, **kwargs)

                f.write('# calibre Bash Shell Completion\n')
                o_and_e('calibre', guiop, BOOK_EXTENSIONS)
                o_and_e('lrf2lrs', lrf2lrsop, ['lrf'], file_map={'--output':['lrs']})
                o_and_e('ebook-meta', metaop,
                        list(meta_filetypes()), cover_opts=['--cover', '-c'],
                        opf_opts=['--to-opf', '--from-opf'])
                o_and_e('ebook-polish', polish_op,
                        [x.lower() for x in SUPPORTED], cover_opts=['--cover', '-c'],
                        opf_opts=['--opf', '-o'])
                o_and_e('lrfviewer', lrfviewerop, ['lrf'])
                o_and_e('ebook-viewer', viewer_op, input_formats)
                o_and_e('ebook-edit', tweak_op, tweak_formats)
                o_and_w('fetch-ebook-metadata', fem_op, [])
                o_and_w('calibre-smtp', smtp_op, [])
                o_and_w('calibre-server', serv_op, [])
                o_and_e('calibre-debug', debug_op, ['py', 'recipe', 'mobi', 'azw', 'azw3', 'docx'], file_map={
                    '--tweak-book':['epub', 'azw3', 'mobi'],
                    '--subset-font':['ttf', 'otf'],
                    '--exec-file':['py', 'recipe'],
                    '--add-simple-plugin':['py'],
                    '--inspect-mobi':['mobi', 'azw', 'azw3'],
                    '--viewer':list(available_input_formats()),
                })
                f.write(textwrap.dedent('''
                _ebook_device_ls()
                {
                local pattern search listing prefix
                pattern="$1"
                search="$1"
                if [[ -n "{$pattern}" ]]; then
                    if [[ "${pattern:(-1)}" == "/" ]]; then
                    pattern=""
                    else
                    pattern="$(basename ${pattern} 2> /dev/null)"
                    search="$(dirname ${search} 2> /dev/null)"
                    fi
                fi

                if [[  "x${search}" == "x" || "x${search}" == "x." ]]; then
                    search="/"
                fi

                listing="$(ebook-device ls ${search} 2>/dev/null)"

                prefix="${search}"
                if [[ "x${prefix:(-1)}" != "x/" ]]; then
                    prefix="${prefix}/"
                fi

                echo $(compgen -P "${prefix}" -W "${listing}" "${pattern}")
                }

                _ebook_device()
                {
                local cur prev
                cur="${COMP_WORDS[COMP_CWORD]}"
                prev="${COMP_WORDS[COMP_CWORD-1]}"
                COMPREPLY=()
                case "${prev}" in
                    ls|rm|mkdir|touch|cat )
                        COMPREPLY=( $(_ebook_device_ls "${cur}") )
                        return 0
                        ;;
                    cp )
                        if [[ ${cur} == dev:* ]]; then
                        COMPREPLY=( $(_ebook_device_ls "${cur:7}") )
                        return 0
                        else
                        _filedir
                        return 0
                        fi
                        ;;
                    dev )
                        COMPREPLY=( $(compgen -W "cp ls rm mkdir touch cat info books df" "${cur}") )
                        return 0
                        ;;
                    * )
                        if [[ ${cur} == dev:* ]]; then
                        COMPREPLY=( $(_ebook_device_ls "${cur:7}") )
                        return 0
                        else
                        if [[ ${prev} == dev:* ]]; then
                            _filedir
                            return 0
                        else
                            COMPREPLY=( $(compgen -W "dev:" "${cur}") )
                            return 0
                        fi
                        return 0
                        fi
                    ;;
                esac
                }
                complete -o nospace  -F _ebook_device ebook-device

                complete -o nospace -C %s ebook-convert
                ''')%complete)
            zsh.write()
            self.manifest.extend((bash_comp_dest, zsh_comp_dest))
        except TypeError as err:
            if 'resolve_entities' in str(err):
                print 'You need python-lxml >= 2.0.5 for calibre'
                sys.exit(1)
            raise
        except EnvironmentError as e:
            if e.errno == errno.EACCES:
                self.warning('Failed to setup completion, permission denied')
        except:
            if self.opts.fatal_errors:
                raise
            self.task_failed('Setting up completion failed')
    # }}}

    def setup_desktop_integration(self):  # {{{
        try:
            self.info('Setting up desktop integration...')

            env = os.environ.copy()
            cc = check_call
            if getattr(sys, 'frozen_path', False) and 'LD_LIBRARY_PATH' in env:
                paths = env.get('LD_LIBRARY_PATH', '').split(os.pathsep)
                paths = [x for x in paths if x]
                npaths = [x for x in paths if x != sys.frozen_path+'/lib']
                env['LD_LIBRARY_PATH'] = os.pathsep.join(npaths)
                cc = partial(check_call, env=env)

            with TemporaryDirectory() as tdir, CurrentDir(tdir), \
                                PreserveMIMEDefaults():
                render_img('mimetypes/lrf.png', 'calibre-lrf.png')
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-lrf.png application-lrf', shell=True)
                self.icon_resources.append(('mimetypes', 'application-lrf', '128'))
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-lrf.png text-lrs', shell=True)
                self.icon_resources.append(('mimetypes', 'application-lrs',
                '128'))
                render_img('mimetypes/mobi.png', 'calibre-mobi.png')
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-mobi.png application-x-mobipocket-ebook', shell=True)
                self.icon_resources.append(('mimetypes', 'application-x-mobipocket-ebook', '128'))
                render_img('mimetypes/tpz.png', 'calibre-tpz.png')
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-tpz.png application-x-topaz-ebook', shell=True)
                self.icon_resources.append(('mimetypes', 'application-x-topaz-ebook', '128'))
                render_img('mimetypes/azw2.png', 'calibre-azw2.png')
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-azw2.png application-x-kindle-application', shell=True)
                self.icon_resources.append(('mimetypes', 'application-x-kindle-application', '128'))
                render_img('mimetypes/azw3.png', 'calibre-azw3.png')
                cc('xdg-icon-resource install --noupdate --context mimetypes --size 128 calibre-azw3.png application-x-mobi8-ebook', shell=True)
                self.icon_resources.append(('mimetypes', 'application-x-mobi8-ebook', '128'))
                render_img('lt.png', 'calibre-gui.png', width=256, height=256)
                cc('xdg-icon-resource install --noupdate --size 256 calibre-gui.png calibre-gui', shell=True)
                self.icon_resources.append(('apps', 'calibre-gui', '256'))
                render_img('viewer.png', 'calibre-viewer.png', width=256, height=256)
                cc('xdg-icon-resource install --size 256 calibre-viewer.png calibre-viewer', shell=True)
                self.icon_resources.append(('apps', 'calibre-viewer', '256'))
                render_img('tweak.png', 'calibre-ebook-edit.png', width=256, height=256)
                cc('xdg-icon-resource install --size 256 calibre-ebook-edit.png calibre-ebook-edit', shell=True)
                self.icon_resources.append(('apps', 'calibre-ebook-edit', '256'))

                mimetypes = set([])
                for x in all_input_formats():
                    mt = guess_type('dummy.'+x)[0]
                    if mt and 'chemical' not in mt and 'ctc-posml' not in mt:
                        mimetypes.add(mt)

                def write_mimetypes(f):
                    f.write('MimeType=%s;\n'%';'.join(mimetypes))

                from calibre.ebooks.oeb.polish.main import SUPPORTED
                f = open('calibre-lrfviewer.desktop', 'wb')
                f.write(VIEWER)
                f.close()
                f = open('calibre-ebook-viewer.desktop', 'wb')
                f.write(EVIEWER)
                write_mimetypes(f)
                f = open('calibre-ebook-edit.desktop', 'wb')
                f.write(ETWEAK)
                mt = [guess_type('a.' + x.lower())[0] for x in SUPPORTED]
                f.write('MimeType=%s;\n'%';'.join(mt))
                f.close()
                f = open('calibre-gui.desktop', 'wb')
                f.write(GUI)
                write_mimetypes(f)
                f.close()
                des = ('calibre-gui.desktop', 'calibre-lrfviewer.desktop',
                        'calibre-ebook-viewer.desktop', 'calibre-ebook-edit.desktop')
                appdata = os.path.join(os.path.dirname(self.opts.staging_sharedir), 'appdata')
                if not os.path.exists(appdata):
                    try:
                        os.mkdir(appdata)
                    except:
                        self.warning('Failed to create %s not installing appdata files' % appdata)
                if os.path.exists(appdata) and not os.access(appdata, os.W_OK):
                    self.warning('Do not have write permissions for %s not installing appdata files' % appdata)
                else:
                    from calibre.utils.localization import get_all_translators
                    translators = dict(get_all_translators())

                APPDATA = get_appdata()
                for x in des:
                    cmd = ['xdg-desktop-menu', 'install', '--noupdate', './'+x]
                    cc(' '.join(cmd), shell=True)
                    self.menu_resources.append(x)
                    ak = x.partition('.')[0]
                    if ak in APPDATA and os.access(appdata, os.W_OK):
                        self.appdata_resources.append(write_appdata(ak, APPDATA[ak], appdata, translators))
                cc(['xdg-desktop-menu', 'forceupdate'])
                MIME = P('calibre-mimetypes.xml')
                self.mime_resources.append(MIME)
                cc(['xdg-mime', 'install', MIME])
        except Exception:
            if self.opts.fatal_errors:
                raise
            self.task_failed('Setting up desktop integration failed')

    # }}}

def option_parser():
    from calibre.utils.config import OptionParser
    parser = OptionParser()
    parser.add_option('--make-errors-fatal', action='store_true', default=False,
                      dest='fatal_errors', help='If set die on errors.')
    parser.add_option('--root', dest='staging_root', default='/usr',
            help='Prefix under which to install files')
    parser.add_option('--bindir', default=None, dest='staging_bindir',
        help='Location where calibre launcher scripts were installed. Typically /usr/bin')
    parser.add_option('--sharedir', default=None, dest='staging_sharedir',
        help='Location where calibre resources were installed, typically /usr/share/calibre')

    return parser


def options(option_parser):
    parser = option_parser()
    options = parser.option_list
    for group in parser.option_groups:
        options += group.option_list
    opts = []
    for opt in options:
        opts.extend(opt._short_opts)
        opts.extend(opt._long_opts)
    return opts

def opts_and_words(name, op, words, takes_files=False):
    opts  = '|'.join(options(op))
    words = '|'.join([w.replace("'", "\\'") for w in words])
    fname = name.replace('-', '_')
    return ('_'+fname+'()'+
'''
{
    local cur opts
    local IFS=$'|\\t'
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    opts="%s"
    words="%s"

    case "${cur}" in
      -* )
         COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
         COMPREPLY=( $( echo ${COMPREPLY[@]} | sed 's/ /\\\\ /g' | tr '\\n' '\\t' ) )
         return 0
         ;;
      *  )
         COMPREPLY=( $(compgen -W "${words}" -- ${cur}) )
         COMPREPLY=( $( echo ${COMPREPLY[@]} | sed 's/ /\\\\ /g' | tr '\\n' '\\t' ) )
         return 0
         ;;
    esac

}
complete -F _'''%(opts, words) + fname + ' ' + name +"\n\n").encode('utf-8')

pics = {'jpg', 'jpeg', 'gif', 'png', 'bmp'}

def opts_and_exts(name, op, exts, cover_opts=('--cover',), opf_opts=(),
                  file_map={}):
    opts = ' '.join(options(op))
    exts.extend([i.upper() for i in exts])
    exts='|'.join(exts)
    fname = name.replace('-', '_')
    spics = '|'.join(tuple(pics) + tuple(x.upper() for x in pics))
    special_exts_template = '''\
      %s )
           _filedir %s
           return 0
         ;;
    '''
    extras = []
    for eopts, eexts in ((cover_opts, "${pics}"), (opf_opts, "'@(opf)'")):
        for opt in eopts:
            extras.append(special_exts_template%(opt, eexts))
    extras = '\n'.join(extras)

    return '_'+fname+'()'+\
'''
{
    local cur prev opts
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="%(opts)s"
    pics="@(%(pics)s)"

    case "${prev}" in
%(extras)s
    esac

    case "${cur}" in
%(extras)s
      -* )
         COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
         return 0
         ;;
      *  )
        _filedir '@(%(exts)s)'
        return 0
        ;;
    esac

}
complete -o filenames -F _'''%dict(pics=spics,
    opts=opts, extras=extras, exts=exts) + fname + ' ' + name +"\n\n"


VIEWER = '''\
[Desktop Entry]
Version=1.0
Type=Application
Name=LRF Viewer
GenericName=Viewer for LRF files
Comment=Viewer for LRF files (SONY ebook format files)
TryExec=lrfviewer
Exec=lrfviewer %f
Icon=calibre-viewer
MimeType=application/x-sony-bbeb;
Categories=Graphics;Viewer;
'''

EVIEWER = '''\
[Desktop Entry]
Version=1.0
Type=Application
Name=E-book Viewer
GenericName=Viewer for E-books
Comment=Viewer for E-books in all the major formats
TryExec=ebook-viewer
Exec=ebook-viewer --detach %f
Icon=calibre-viewer
Categories=Graphics;Viewer;
'''

ETWEAK = '''\
[Desktop Entry]
Version=1.0
Type=Application
Name=Edit E-book
GenericName=Edit E-books
Comment=Edit e-books in various formats
TryExec=ebook-edit
Exec=ebook-edit --detach %f
Icon=calibre-ebook-edit
Categories=Office;
'''

GUI = '''\
[Desktop Entry]
Version=1.0
Type=Application
Name=calibre
GenericName=E-book library management
Comment=E-book library management: Convert, view, share, catalogue all your e-books
TryExec=calibre
Exec=calibre --detach %F
Icon=calibre-gui
Categories=Office;
'''

def get_appdata():
    _ = lambda x: x  # Make sure the text below is not translated, but is marked for translation
    return {
        'calibre-gui': {
            'description':(
                _('calibre is the one stop solution to all your e-book needs.'),
                _('You can use calibre to catalog your books, fetch metadata for them automatically, convert them from and to all the various ebook formats, send them to your e-book reader devices, read the books on your computer, edit the books in a dedicated e-book editor and even make them available over the network with the built-in content server. You can also download news and periodicals in e-book format from over a thousand different news and magazine websites.')  # noqa
            ),
            'screenshots':(
                (1408, 792, 'https://lh4.googleusercontent.com/-bNE1hc_3pIc/UvHLwKPGBPI/AAAAAAAAASA/8oavs_c6xoU/w1408-h792-no/main-default.png',),
                (1408, 792, 'https://lh4.googleusercontent.com/-Zu2httSKABE/UvHMYK30JJI/AAAAAAAAATg/dQTQUjBvV5s/w1408-h792-no/main-grid.png'),
                (1408, 792, 'https://lh3.googleusercontent.com/-_trYUjU_BaY/UvHMYSdKhlI/AAAAAAAAATc/auPA3gyXc6o/w1408-h792-no/main-flow.png'),
            ),
        },

        'calibre-ebook-edit': {
            'description':(
                _('The calibre e-book editor allows you to edit the text and styles inside the book with a live preview of your changes.'),
                _('It can edit books in both the EPUB and AZW3 (kindle) formats. It includes various useful tools for checking the book for errors, editing the Table of Contents, performing automated cleanups, etc.'),  # noqa
            ),
            'screenshots':(
                (1408, 792, 'https://lh5.googleusercontent.com/-M2MAVc3A8e4/UvHMWqGRa8I/AAAAAAAAATA/cecQeWUYBVs/w1408-h792-no/edit-default.png',),
                (1408, 792, 'https://lh4.googleusercontent.com/-WhoMxuRb34c/UvHMWqN8aGI/AAAAAAAAATI/8SDBYWXb7-8/w1408-h792-no/edit-check.png'),
                (887, 575, 'https://lh6.googleusercontent.com/-KwaOwHabnBs/UvHMWidjyXI/AAAAAAAAAS8/H6xmCeLnSpk/w887-h575-no/edit-toc.png'),
            ),
        },

        'calibre-ebook-viewer': {
            'description': (
                _('The calibre e-book viewer allows you to read e-books in over a dozen different formats.'),
                _('It has a full screen mode for distraction free reading and can display the text with multiple columns per screen.'),
            ),
            'screenshots':(
                (1408, 792, 'https://lh5.googleusercontent.com/-dzSO82BPpaE/UvHMYY5SpNI/AAAAAAAAATk/I_kF9fYWrZM/w1408-h792-no/viewer-default.png',),
                (1920, 1080, 'https://lh6.googleusercontent.com/-n32Ae5RytAk/UvHMY0QD94I/AAAAAAAAATs/Zw8Yz08HIKk/w1920-h1080-no/viewer-fs.png'),
            ),
        },
    }

def write_appdata(key, entry, base, translators):
    from lxml.etree import tostring
    from lxml.builder import E
    fpath = os.path.join(base, '%s.appdata.xml' % key)
    root = E.application(
        E.id(key + '.desktop', type='desktop'),
        E.licence('CC0'),
        E.description(),
        E.url('http://calibre-ebook.com', type='homepage'),
        E.screenshots(),
    )
    for w, h, url in entry['screenshots']:
        s = E.screenshot(url, width=str(w), height=str(h))
        root[-1].append(s)
    root[-1][0].set('type', 'default')
    for para in entry['description']:
        root[2].append(E.p(para))
        for lang, t in translators.iteritems():
            tp = t.ugettext(para)
            if tp != para:
                root[2].append(E.p(tp))
                root[2][-1].set('{http://www.w3.org/XML/1998/namespace}lang', lang)
    with open(fpath, 'wb') as f:
        f.write(tostring(root, encoding='utf-8', xml_declaration=True, pretty_print=True))
    return fpath


def render_img(image, dest, width=128, height=128):
    from PyQt4.Qt import QImage, Qt
    img = QImage(I(image)).scaled(width, height, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
    img.save(dest)

def main():
    p = option_parser()
    opts, args = p.parse_args()
    PostInstall(opts)
    return 0

if __name__ == '__main__':
    sys.exit(main())

