#!/usr/bin/python3

import sys, getopt, pathlib
import manga.lib, manga.reader, manga.profile, manga.local
from gi.repository import Gtk, Gdk, GObject

def usage(out):
    out.write("usage: automanga [-h] [-p PROFILE] {DIRECTORY|-l LIBRARY ID|-a ALIAS}\n")
    out.write("       automanga -a ALIAS=LIBRARY:ID\n")
    out.write("       automanga -t {DIRECTORY|-l LIBRARY ID|-a ALIAS} [-]TAG...\n")
    out.write("       automanga -{s|S} LIBRARY NAME\n")
    out.write("       automanga -L TAG [-o ORDER]\n")

libname = None
search = None
profile = ""
alias = None
settags = False
listtag = None
listorder = None
opts, args = getopt.getopt(sys.argv[1:], "hl:sSp:a:tL:o:")
for o, a in opts:
    if o == "-h":
        usage(sys.stdout)
        sys.exit(0)
    elif o == "-l":
        libname = a
    elif o == "-a":
        alias = a
    elif o == "-s":
        search = "name"
    elif o == "-S":
        search = "match"
    elif o == "-p":
        if a == "":
            profile = None
        else:
            profile = a
    elif o == "-t":
        settags = True
    elif o == "-L":
        listtag = a
    elif o == "-o":
        listorder = a
if profile == "":
    try:
        profile = manga.profile.profile.last()
    except KeyError:
        profile = manga.profile.profile.byname("default")
elif profile is not None:
    profile = manga.profile.profile.byname(profile)

def main():
    global libname

    if search:
        if len(args) < 2:
            usage(sys.stderr)
            sys.exit(1)
        try:
            lib = manga.lib.findlib(args[0])
        except ImportError:
            sys.stderr.write("automanga: no such library: %s\n" % args[0])
            sys.exit(1)
        try:
            if search == "name":
                results = lib.byname(args[1])
            elif search == "match":
                results = lib.search(args[1])
                if hasattr(results, "__length_hint__"):
                    sys.stderr.write("%i results:\n" % results.__length_hint__())
        except NotImplementedError:
            sys.stderr.write("automanga: %s does not support searching\n" % args[0])
            sys.exit(1)
        for mng in results:
            sys.stdout.write("\"%s\": %s\n" % (mng.name, mng.id))
        return

    if listtag is not None:
        if profile is not None:
            results = []
            for mprof in profile.bytag(listtag):
                try:
                    mng = mprof.open()
                except KeyError:
                    sys.stderr.write("%s %s: no longer found\n" % (mprof.libnm, mprof.id))
                    continue
                except Exception as exc:
                    sys.stderr.write("%s %s: unexpected error: %s\n" % (mprof.libnm, mprof.id, str(exc)))
                    continue
                line = "%s %s: \"%s\"" % (mprof.libnm, mprof.id, mng.name)
                if listorder is None:
                    sys.stdout.write("%s\n" % (line,))
                else:
                    if listorder == "mtime":
                        key = -mprof.mtime()
                    else:
                        sys.stderr.write("automanga: undefined order: %s\n" % (listorder,))
                        sys.exit(1)
                    results.append((line, key))
            if len(results) > 0:
                results.sort(key=lambda o: o[1])
                for line, key in results:
                    sys.stdout.write("%s\n" % (line,))
        return

    if alias and (alias.find('=') > 0):
        tgt, nm = alias.split('=', 1)
        if not ':' in nm:
            usage(sys.stderr)
            sys.exit(1)
        libname, mid = nm.split(':', 1)
        try:
            lib = manga.lib.findlib(libname)
        except ImportError:
            sys.stderr.write("automanga: no such library: %s\n" % libname)
            sys.exit(1)
        try:
            mng = lib.byid(mid)
        except KeyError as e:
            sys.stderr.write("automanga: no such manga: %s\n" % str(e))
            sys.exit(1)
        profile.setalias(tgt, libname, mng.id)
        return

    if alias:
        try:
            libname, mid = profile.getalias(alias)
        except KeyError:
            sys.stderr.write("automanga: no such alias: %s\n" % alias)
            sys.exit(1)
        try:
            lib = manga.lib.findlib(libname)
        except ImportError:
            sys.stderr.write("automanga: no such library: %s\n" % libname)
            sys.exit(1)
        try:
            mng = lib.byid(mid)
        except KeyError:
            sys.stderr.write("automanga: manga no longer found: %s\n" % mid)
            sys.exit(1)
    elif libname is not None:
        if len(args) < 1:
            usage(sys.stderr)
            sys.exit(1)
        try:
            lib = manga.lib.findlib(libname)
        except ImportError:
            sys.stderr.write("automanga: no such library: %s\n" % libname)
            sys.exit(1)
        try:
            mng = lib.byid(args.pop(0))
        except KeyError as e:
            sys.stderr.write("automanga: no such manga: %s\n" % str(e))
            sys.exit(1)
    else:
        libname = "local"
        try:
            if len(args) < 1:
                usage(sys.stderr)
                sys.exit(1)
            mdir = args.pop(0)
            mng = manga.local.manga(pathlib.Path(mdir))
        except TypeError:
            sys.stderr.write("automanga: not a valid manga directory: %s\n" % mdir)
            sys.exit(1)

    mprof = None if profile is None else profile.getmanga(libname, mng.id, True)
    if profile is not None:
        profile.setlast()

    if settags:
        if mprof is not None:
            ntags = [tag for tag in args if tag[:1] != "-"]
            rtags = [tag[1:] for tag in args if tag[:1] == "-"]
            if ntags: mprof.tags.add(*ntags)
            if rtags: mprof.tags.remove(*rtags)
        return

    reader = manga.reader.reader(mng, mprof)
    reader.show()
    Gtk.main()

try:
    main()
except KeyboardInterrupt:
    pass