// "Add to playlist" picker — a global modal overlay. Lists the user's
// playlists; clicking one adds the pending track to it. Opened from
// the track context menu (PlaylistPickerState.open).

import { Theme } from "../foundation/semantic-colors.slint";
import { Typography } from "../foundation/typography.slint";
import { Radius } from "../foundation/radius.slint";
import { PlaylistPickerState, PlaylistPickerActions, PlaylistPickItem } from "../state.slint";
import { QbzIcon } from "QbzIcon.slint";
import { LoadingSpinner } from "LoadingSpinner.slint";

component PickRow inherits Rectangle {
    in property <PlaylistPickItem> item;
    in property <int> index;
    callback clicked(string);
    height: 52px;
    border-radius: 8px;
    background: ta.has-hover
        ? #ffffff16
        : (Math.mod(root.index, 2) == 1 ? #ffffff07 : transparent);
    HorizontalLayout {
        padding-left: 12px;
        padding-right: 12px;
        spacing: 12px;
        VerticalLayout {
            alignment: center;
            Rectangle {
                width: 34px;
                height: 34px;
                border-radius: 6px;
                background: Theme.surface-elevated;
                QbzIcon {
                    // LOCAL playlists (library.db) get the hard-drive glyph
                    // — adds write the local repo and work offline.
                    source: root.item.is-local
                        ? @image-url("../assets/icons/hard-drive.svg")
                        : @image-url("../assets/icons/list-music.svg");
                    width: 18px;
                    height: 18px;
                    x: Math.round((parent.width - self.width) / 2 / 1px) * 1px;
                    y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
                    tint: Theme.text-muted;
                }
            }
        }
        VerticalLayout {
            alignment: center;
            horizontal-stretch: 1;
            Text {
                text: root.item.name;
                color: Theme.text-primary;
                font-size: Typography.body;
                font-weight: Typography.medium;
                overflow: elide;
            }
            if root.item.tracks-line != "": Text {
                text: root.item.tracks-line;
                color: Theme.text-muted;
                font-size: Typography.legal;
            }
        }
    }
    ta := TouchArea {
        mouse-cursor: pointer;
        clicked => {
            root.clicked(root.item.id);
        }
    }
}

export component PlaylistPickerModal inherits Rectangle {
    visible: PlaylistPickerState.open;

    if PlaylistPickerState.open: Rectangle {
        background: #000000bf;
        // Scrim — click outside to dismiss.
        TouchArea {
            mouse-cursor: default;
            clicked => {
                PlaylistPickerActions.close();
            }
        }
        Rectangle {
            width: Math.min(root.width - 80px, 460px);
            height: Math.min(root.height - 120px, 520px);
            x: Math.round((parent.width - self.width) / 2 / 1px) * 1px;
            y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
            border-radius: Radius.md;
            background: Theme.surface-card;
            border-width: 1px;
            border-color: Theme.border-subtle;
            drop-shadow-blur: 32px;
            drop-shadow-color: #00000080;
            // Swallow clicks so they don't reach the scrim.
            TouchArea { }

            VerticalLayout {
                padding: 20px;
                spacing: 14px;

                HorizontalLayout {
                    Text {
                        text: @tr("Add to playlist");
                        color: Theme.text-primary;
                        font-size: Typography.heading;
                        font-weight: Typography.semibold;
                        horizontal-stretch: 1;
                        vertical-alignment: center;
                    }
                    close-x := TouchArea {
                        width: 28px;
                        height: 28px;
                        mouse-cursor: pointer;
                        clicked => {
                            PlaylistPickerActions.close();
                        }
                        QbzIcon {
                            source: @image-url("../assets/icons/x.svg");
                            width: 17px;
                            height: 17px;
                            x: Math.round((parent.width - self.width) / 2 / 1px) * 1px;
                            y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
                            tint: close-x.has-hover ? Theme.text-primary : Theme.text-muted;
                        }
                    }
                }

                if PlaylistPickerState.loading: HorizontalLayout {
                    alignment: center;
                    LoadingSpinner { size: 30px; }
                }
                if !PlaylistPickerState.loading
                    && PlaylistPickerState.playlists.length == 0: Text {
                    text: @tr("No playlists yet.");
                    color: Theme.text-muted;
                    font-size: Typography.body;
                }

                Flickable {
                    vertical-stretch: 1;
                    viewport-width: self.width;
                    viewport-height: list.preferred-height;
                    list := VerticalLayout {
                        spacing: 2px;
                        for pl[i] in PlaylistPickerState.playlists: PickRow {
                            item: pl;
                            index: i;
                            clicked(id) => {
                                PlaylistPickerActions.pick(id);
                            }
                        }
                    }
                }
            }
        }
    }
}