import argparse

from caelestia.subcommands import clipboard, emoji, record, resizer, scheme, screenshot, shell, toggle, wallpaper
from caelestia.utils.paths import wallpapers_dir
from caelestia.utils.scheme import get_scheme_names, scheme_variants
from caelestia.utils.wallpaper import get_wallpaper


def parse_args() -> (argparse.ArgumentParser, argparse.Namespace):
    parser = argparse.ArgumentParser(prog="caelestia", description="Main control script for the Caelestia dotfiles")
    parser.add_argument("-v", "--version", action="store_true", help="print the current version")

    # Add subcommand parsers
    command_parser = parser.add_subparsers(
        title="subcommands", description="valid subcommands", metavar="COMMAND", help="the subcommand to run"
    )

    # Create parser for shell opts
    shell_parser = command_parser.add_parser("shell", help="start or message the shell")
    shell_parser.set_defaults(cls=shell.Command)
    shell_parser.add_argument("message", nargs="*", help="a message to send to the shell")
    shell_parser.add_argument("-d", "--daemon", action="store_true", help="start the shell detached")
    shell_parser.add_argument("-s", "--show", action="store_true", help="print all shell IPC commands")
    shell_parser.add_argument("-l", "--log", action="store_true", help="print the shell log")
    shell_parser.add_argument("-k", "--kill", action="store_true", help="kill the shell")
    shell_parser.add_argument("--log-rules", metavar="RULES", help="log rules to apply")

    # Create parser for toggle opts
    toggle_parser = command_parser.add_parser("toggle", help="toggle a special workspace")
    toggle_parser.set_defaults(cls=toggle.Command)
    toggle_parser.add_argument("workspace", help="the workspace to toggle")

    # Create parser for scheme opts
    scheme_parser = command_parser.add_parser("scheme", help="manage the colour scheme")
    scheme_command_parser = scheme_parser.add_subparsers(title="subcommands")

    list_parser = scheme_command_parser.add_parser("list", help="list available schemes")
    list_parser.set_defaults(cls=scheme.List)
    list_parser.add_argument("-n", "--names", action="store_true", help="list scheme names")
    list_parser.add_argument("-f", "--flavours", action="store_true", help="list scheme flavours")
    list_parser.add_argument("-m", "--modes", action="store_true", help="list scheme modes")
    list_parser.add_argument("-v", "--variants", action="store_true", help="list scheme variants")

    get_parser = scheme_command_parser.add_parser("get", help="get scheme properties")
    get_parser.set_defaults(cls=scheme.Get)
    get_parser.add_argument("-n", "--name", action="store_true", help="print the current scheme name")
    get_parser.add_argument("-f", "--flavour", action="store_true", help="print the current scheme flavour")
    get_parser.add_argument("-m", "--mode", action="store_true", help="print the current scheme mode")
    get_parser.add_argument("-v", "--variant", action="store_true", help="print the current scheme variant")

    set_parser = scheme_command_parser.add_parser("set", help="set the current scheme")
    set_parser.set_defaults(cls=scheme.Set)
    set_parser.add_argument("--notify", action="store_true", help="send a notification on error")
    set_parser.add_argument("-r", "--random", action="store_true", help="switch to a random scheme")
    set_parser.add_argument("-n", "--name", choices=get_scheme_names(), help="the name of the scheme to switch to")
    set_parser.add_argument("-f", "--flavour", help="the flavour to switch to")
    set_parser.add_argument("-m", "--mode", choices=["dark", "light"], help="the mode to switch to")
    set_parser.add_argument("-v", "--variant", choices=scheme_variants, help="the variant to switch to")

    # Create parser for screenshot opts
    screenshot_parser = command_parser.add_parser("screenshot", help="take a screenshot")
    screenshot_parser.set_defaults(cls=screenshot.Command)
    screenshot_parser.add_argument("-r", "--region", nargs="?", const="slurp", help="take a screenshot of a region")
    screenshot_parser.add_argument(
        "-f", "--freeze", action="store_true", help="freeze the screen while selecting a region"
    )

    # Create parser for record opts
    record_parser = command_parser.add_parser("record", help="start a screen recording")
    record_parser.set_defaults(cls=record.Command)
    record_parser.add_argument("-r", "--region", nargs="?", const="slurp", help="record a region")
    record_parser.add_argument("-s", "--sound", action="store_true", help="record audio")
    record_parser.add_argument("-p", "--pause", action="store_true", help="pause/resume the recording")

    # Create parser for clipboard opts
    clipboard_parser = command_parser.add_parser("clipboard", help="open clipboard history")
    clipboard_parser.set_defaults(cls=clipboard.Command)
    clipboard_parser.add_argument("-d", "--delete", action="store_true", help="delete from clipboard history")

    # Create parser for emoji-picker opts
    emoji_parser = command_parser.add_parser("emoji", help="emoji/glyph utilities")
    emoji_parser.set_defaults(cls=emoji.Command)
    emoji_parser.add_argument("-p", "--picker", action="store_true", help="open the emoji/glyph picker")
    emoji_parser.add_argument("-f", "--fetch", action="store_true", help="fetch emoji/glyph data from remote")

    # Create parser for wallpaper opts
    wallpaper_parser = command_parser.add_parser("wallpaper", help="manage the wallpaper")
    wallpaper_parser.set_defaults(cls=wallpaper.Command)
    wallpaper_parser.add_argument(
        "-p", "--print", nargs="?", const=get_wallpaper(), metavar="PATH", help="print the scheme for a wallpaper"
    )
    wallpaper_parser.add_argument(
        "-r", "--random", nargs="?", const=wallpapers_dir, metavar="DIR", help="switch to a random wallpaper"
    )
    wallpaper_parser.add_argument("-f", "--file", help="the path to the wallpaper to switch to")
    wallpaper_parser.add_argument("-n", "--no-filter", action="store_true", help="do not filter by size")
    wallpaper_parser.add_argument(
        "-t",
        "--threshold",
        default=0.8,
        help="the minimum percentage of the largest monitor size the image must be greater than to be selected",
    )
    wallpaper_parser.add_argument(
        "-N",
        "--no-smart",
        action="store_true",
        help="do not automatically change the scheme mode based on wallpaper colour",
    )

    # Create parser for resizer opts
    resizer_parser = command_parser.add_parser("resizer", help="window resizer daemon")
    resizer_parser.set_defaults(cls=resizer.Command)
    resizer_parser.add_argument("-d", "--daemon", action="store_true", help="start the resizer daemon")
    resizer_parser.add_argument(
        "pattern",
        nargs="?",
        help="pattern to match against windows ('active' for current window only, 'pip' for quick pip mode)",
    )
    resizer_parser.add_argument(
        "match_type",
        nargs="?",
        metavar="match_type",
        choices=["titleContains", "titleExact", "titleRegex", "initialTitle"],
        help="type of pattern matching (titleContains,titleExact,titleRegex,initialTitle)",
    )
    resizer_parser.add_argument("width", nargs="?", help="width to resize to")
    resizer_parser.add_argument("height", nargs="?", help="height to resize to")
    resizer_parser.add_argument("actions", nargs="?", help="comma-separated actions to apply (float,center,pip)")

    return parser, parser.parse_args()