import { useEffect, useState } from 'react';
import { SelectItem } from '@mantine/core';
import isElectron from 'is-electron';
import { Select, Slider, toast } from '/@/renderer/components';
import {
    SettingsSection,
    SettingOption,
} from '/@/renderer/features/settings/components/settings-section';
import { useCurrentStatus, usePlayerStore } from '/@/renderer/store';
import { usePlaybackSettings, useSettingsStoreActions } from '/@/renderer/store/settings.store';
import { PlaybackType, PlayerStatus, PlaybackStyle, CrossfadeStyle } from '/@/renderer/types';

const mpvPlayer = isElectron() ? window.electron.mpvPlayer : null;

const getAudioDevice = async () => {
    const devices = await navigator.mediaDevices.enumerateDevices();
    return (devices || []).filter((dev: MediaDeviceInfo) => dev.kind === 'audiooutput');
};

export const AudioSettings = () => {
    const settings = usePlaybackSettings();
    const { setSettings } = useSettingsStoreActions();
    const status = useCurrentStatus();

    const [audioDevices, setAudioDevices] = useState<SelectItem[]>([]);

    useEffect(() => {
        const getAudioDevices = () => {
            getAudioDevice()
                .then((dev) =>
                    setAudioDevices(dev.map((d) => ({ label: d.label, value: d.deviceId }))),
                )
                .catch(() => toast.error({ message: 'Error fetching audio devices' }));
        };

        if (settings.type === PlaybackType.WEB) {
            getAudioDevices();
        }
    }, [settings.type]);

    const audioOptions: SettingOption[] = [
        {
            control: (
                <Select
                    data={[
                        {
                            disabled: !isElectron(),
                            label: 'MPV',
                            value: PlaybackType.LOCAL,
                        },
                        { label: 'Web', value: PlaybackType.WEB },
                    ]}
                    defaultValue={settings.type}
                    disabled={status === PlayerStatus.PLAYING}
                    onChange={(e) => {
                        setSettings({ playback: { ...settings, type: e as PlaybackType } });
                        if (isElectron() && e === PlaybackType.LOCAL) {
                            const queueData = usePlayerStore.getState().actions.getPlayerData();
                            mpvPlayer!.setQueue(queueData);
                        }
                    }}
                />
            ),
            description: 'The audio player to use for playback',
            isHidden: !isElectron(),
            note: status === PlayerStatus.PLAYING ? 'Player must be paused' : undefined,
            title: 'Audio player',
        },
        {
            control: (
                <Select
                    clearable
                    data={audioDevices}
                    defaultValue={settings.audioDeviceId}
                    disabled={settings.type !== PlaybackType.WEB}
                    onChange={(e) => setSettings({ playback: { ...settings, audioDeviceId: e } })}
                />
            ),
            description: 'The audio device to use for playback (web player only)',
            isHidden: !isElectron() || settings.type !== PlaybackType.WEB,
            title: 'Audio device',
        },
        {
            control: (
                <Select
                    data={[
                        { label: 'Normal', value: PlaybackStyle.GAPLESS },
                        { label: 'Crossfade', value: PlaybackStyle.CROSSFADE },
                    ]}
                    defaultValue={settings.style}
                    disabled={settings.type !== PlaybackType.WEB || status === PlayerStatus.PLAYING}
                    onChange={(e) =>
                        setSettings({ playback: { ...settings, style: e as PlaybackStyle } })
                    }
                />
            ),
            description: 'Adjust the playback style (web player only)',
            isHidden: settings.type !== PlaybackType.WEB,
            note: status === PlayerStatus.PLAYING ? 'Player must be paused' : undefined,
            title: 'Playback style',
        },
        {
            control: (
                <Slider
                    defaultValue={settings.crossfadeDuration}
                    disabled={
                        settings.type !== PlaybackType.WEB ||
                        settings.style !== PlaybackStyle.CROSSFADE ||
                        status === PlayerStatus.PLAYING
                    }
                    max={15}
                    min={0}
                    w={100}
                    onChangeEnd={(e) =>
                        setSettings({ playback: { ...settings, crossfadeDuration: e } })
                    }
                />
            ),
            description: 'Adjust the crossfade duration (web player only)',
            isHidden: settings.type !== PlaybackType.WEB,
            note: status === PlayerStatus.PLAYING ? 'Player must be paused' : undefined,
            title: 'Crossfade Duration',
        },
        {
            control: (
                <Select
                    data={[
                        { label: 'Linear', value: CrossfadeStyle.LINEAR },
                        { label: 'Constant Power', value: CrossfadeStyle.CONSTANT_POWER },
                        {
                            label: 'Constant Power (Slow cut)',
                            value: CrossfadeStyle.CONSTANT_POWER_SLOW_CUT,
                        },
                        {
                            label: 'Constant Power (Slow fade)',
                            value: CrossfadeStyle.CONSTANT_POWER_SLOW_FADE,
                        },
                        { label: 'Dipped', value: CrossfadeStyle.DIPPED },
                        { label: 'Equal Power', value: CrossfadeStyle.EQUALPOWER },
                    ]}
                    defaultValue={settings.crossfadeStyle}
                    disabled={
                        settings.type !== PlaybackType.WEB ||
                        settings.style !== PlaybackStyle.CROSSFADE ||
                        status === PlayerStatus.PLAYING
                    }
                    width={200}
                    onChange={(e) => {
                        if (!e) return;
                        setSettings({
                            playback: { ...settings, crossfadeStyle: e as CrossfadeStyle },
                        });
                    }}
                />
            ),
            description: 'Change the crossfade algorithm (web player only)',
            isHidden: settings.type !== PlaybackType.WEB,
            note: status === PlayerStatus.PLAYING ? 'Player must be paused' : undefined,
            title: 'Crossfade Style',
        },
    ];

    return <SettingsSection options={audioOptions} />;
};