import Mpris from 'resource:///com/github/Aylur/ags/service/mpris.js';

import { Button, Icon, Label, Stack, Slider, CenterBox, Box } from 'resource:///com/github/Aylur/ags/widget.js';
import { execAsync, lookUpIcon, readFileAsync } from 'resource:///com/github/Aylur/ags/utils.js';

import Separator from '../misc/separator.js';
import EventBox from '../misc/cursorbox.js';

const ICON_SIZE = 32;

const icons = {
    mpris: {
        fallback: 'audio-x-generic-symbolic',
        shuffle: {
            enabled: '󰒝',
            disabled: '󰒞',
        },
        loop: {
            none: '󰑗',
            track: '󰑘',
            playlist: '󰑖',
        },
        playing: ' ',
        paused: ' ',
        stopped: ' ',
        prev: '󰒮',
        next: '󰒭',
    },
};


export const CoverArt = (player, props) => CenterBox({
    ...props,
    vertical: true,

    properties: [
        ['bgStyle', ''],
        ['player', player],
    ],

    setup: (self) => {
        // Give temp cover art
        readFileAsync(player.coverPath).catch(() => {
            if (!player.colors.value && !player.trackCoverUrl) {
                player.colors.value = {
                    imageAccent: '#6b4fa2',
                    buttonAccent: '#ecdcff',
                    buttonText: '#25005a',
                    hoverAccent: '#d4baff',
                };

                self._bgStyle = `
                    background: radial-gradient(circle,
                                rgba(0, 0, 0, 0.4) 30%,
                                ${player.colors.value.imageAccent}),
                                rgb(0, 0, 0);
                    background-size: cover;
                    background-position: center;
                `;
                self.setCss(self._bgStyle);
            }
        });

        self.hook(player, () => {
            execAsync(['bash', '-c', `[[ -f "${player.coverPath}" ]] &&
                  coloryou "${player.coverPath}" | grep -v Warning`])
                .then((out) => {
                    if (!Mpris.players.find((p) => player === p)) {
                        return;
                    }

                    player.colors.value = JSON.parse(out);

                    self._bgStyle = `
                    background: radial-gradient(circle,
                                rgba(0, 0, 0, 0.4) 30%,
                                ${player.colors.value.imageAccent}),
                                url("${player.coverPath}");
                    background-size: cover;
                    background-position: center;
                `;

                    if (!self.get_parent()._dragging) {
                        self.setCss(self._bgStyle);
                    }
                }).catch((err) => {
                    if (err !== '') {
                        print(err);
                    }
                });
        });
    },
});

export const TitleLabel = (player, props) => Label({
    ...props,
    xalign: 0,
    maxWidthChars: 40,
    truncate: 'end',
    justification: 'left',
    className: 'title',

    binds: [['label', player, 'track-title']],
});

export const ArtistLabel = (player, props) => Label({
    ...props,
    xalign: 0,
    maxWidthChars: 40,
    truncate: 'end',
    justification: 'left',
    className: 'artist',

    binds: [['label', player, 'track-artists', (a) => a.join(', ') || '']],
});

export const PlayerIcon = (player, overlay, props) => {
    const playerIcon = (p, widget, over) => EventBox({
        ...props,
        tooltipText: p.identity || '',

        onPrimaryClickRelease: () => {
            widget?.moveToTop(over);
        },

        child: Icon({
            className: widget ? 'position-indicator' : 'player-icon',
            size: widget ? '' : ICON_SIZE,

            setup: (self) => {
                self.hook(p, () => {
                    self.icon = lookUpIcon(p.entry) ?
                        p.entry :
                        icons.mpris.fallback;
                });
            },
        }),
    });

    return Box({
        setup: (self) => {
            self.hook(Mpris, () => {
                const thisIndex = overlay.list()
                    .indexOf(self.get_parent().get_parent());

                self.children = overlay.list().map((over, i) => {
                    self.children.push(Separator(2));

                    return i === thisIndex ?
                        playerIcon(player) :
                        playerIcon(over._player, overlay, over);
                }).reverse();
            });
        },
    });
};

export const PositionSlider = (player, props) => Slider({
    ...props,
    className: 'position-slider',
    cursor: 'pointer',
    vpack: 'center',
    hexpand: true,
    drawValue: false,

    onChange: ({ value }) => {
        player.position = player.length * value;
    },

    setup: (self) => {
        const update = () => {
            if (!self.dragging) {
                self.visible = player.length > 0;
                if (player.length > 0) {
                    self.value = player.position / player.length;
                }
            }
        };

        self
            .poll(1000, () => update())
            .hook(player, () => update(), 'position')
            .hook(player.colors, () => {
                if (player.colors.value) {
                    const c = player.colors.value;

                    self.setCss(`
                        highlight    { background-color: ${c.buttonAccent}; }
                        slider       { background-color: ${c.buttonAccent}; }
                        slider:hover { background-color: ${c.hoverAccent}; }
                        trough       { background-color: ${c.buttonText}; }
                    `);
                }
            })
            .on('button-press-event', (s) => {
                s.cursor = 'grabbing';
            })
            .on('button-release-event', (s) => {
                s.cursor = 'pointer';
            });
    },
});

const PlayerButton = ({ player, items, onClick, prop }) => EventBox({
    child: Button({
        properties: [['hovered', false]],
        child: Stack({ items }),

        onPrimaryClickRelease: () => player[onClick](),

        onHover: (self) => {
            self._hovered = true;

            if (prop === 'playBackStatus' && player.colors.value) {
                const c = player.colors.value;

                items.forEach((item) => {
                    item[1].setCss(`
                        background-color: ${c.hoverAccent};
                        color: ${c.buttonText};
                        min-height: 40px;
                        min-width: 36px;
                        margin-bottom: 1px;
                        margin-right: 1px;
                    `);
                });
            }
        },

        onHoverLost: (self) => {
            self._hovered = false;
            if (prop === 'playBackStatus' && player.colors.value) {
                const c = player.colors.value;

                items.forEach((item) => {
                    item[1].setCss(`
                        background-color: ${c.buttonAccent};
                        color: ${c.buttonText};
                        min-height: 42px;
                        min-width: 38px;
                    `);
                });
            }
        },

        setup: (self) => {
            self
                .hook(player, () => {
                    self.child.shown = `${player[prop]}`;
                })
                .hook(player.colors, () => {
                    if (!Mpris.players.find((p) => player === p)) {
                        return;
                    }

                    if (player.colors.value) {
                        const c = player.colors.value;

                        if (prop === 'playBackStatus') {
                            if (self._hovered) {
                                items.forEach((item) => {
                                    item[1].setCss(`
                                        background-color: ${c.hoverAccent};
                                        color: ${c.buttonText};
                                        min-height: 40px;
                                        min-width: 36px;
                                        margin-bottom: 1px;
                                        margin-right: 1px;
                                    `);
                                });
                            }
                            else {
                                items.forEach((item) => {
                                    item[1].setCss(`
                                        background-color: ${c.buttonAccent};
                                        color: ${c.buttonText};
                                        min-height: 42px;
                                        min-width: 38px;
                                    `);
                                });
                            }
                        }
                        else {
                            self.setCss(`
                                *       { color: ${c.buttonAccent}; }
                                *:hover { color: ${c.hoverAccent}; }
                            `);
                        }
                    }
                });
        },
    }),
});

export const ShuffleButton = (player) => PlayerButton({
    player,
    items: [
        ['true', Label({
            className: 'shuffle enabled',
            label: icons.mpris.shuffle.enabled,
        })],
        ['false', Label({
            className: 'shuffle disabled',
            label: icons.mpris.shuffle.disabled,
        })],
    ],
    onClick: 'shuffle',
    prop: 'shuffleStatus',
});

export const LoopButton = (player) => PlayerButton({
    player,
    items: [
        ['None', Label({
            className: 'loop none',
            label: icons.mpris.loop.none,
        })],
        ['Track', Label({
            className: 'loop track',
            label: icons.mpris.loop.track,
        })],
        ['Playlist', Label({
            className: 'loop playlist',
            label: icons.mpris.loop.playlist,
        })],
    ],
    onClick: 'loop',
    prop: 'loopStatus',
});

export const PlayPauseButton = (player) => PlayerButton({
    player,
    items: [
        ['Playing', Label({
            className: 'pausebutton playing',
            label: icons.mpris.playing,
        })],
        ['Paused', Label({
            className: 'pausebutton paused',
            label: icons.mpris.paused,
        })],
        ['Stopped', Label({
            className: 'pausebutton stopped paused',
            label: icons.mpris.stopped,
        })],
    ],
    onClick: 'playPause',
    prop: 'playBackStatus',
});

export const PreviousButton = (player) => PlayerButton({
    player,
    items: [
        ['true', Label({
            className: 'previous',
            label: icons.mpris.prev,
        })],
        ['false', Label({
            className: 'previous',
            label: icons.mpris.prev,
        })],
    ],
    onClick: 'previous',
    prop: 'canGoPrev',
});

export const NextButton = (player) => PlayerButton({
    player,
    items: [
        ['true', Label({
            className: 'next',
            label: icons.mpris.next,
        })],
        ['false', Label({
            className: 'next',
            label: icons.mpris.next,
        })],
    ],
    onClick: 'next',
    prop: 'canGoNext',
});