// Discover > For You "Spotlight" — port of Tauri's SpotlightLite.
// One favorite artist highlighted: a header, a hero (portrait +
// ARTIST + name + play-top-tracks / open-artist circle buttons), and
// a draggable row mixing a TOP TRACKS card, a RADIO card, and the
// artist's albums.

import { Theme } from "../foundation/semantic-colors.slint";
import { Typography } from "../foundation/typography.slint";
import { ForYouState, AlbumCardItem } from "../state.slint";
import { AlbumCard } from "AlbumCard.slint";
import { RadioCard } from "RadioCard.slint";
import { QbzIcon } from "../primitives/QbzIcon.slint";

component CircleButton inherits Rectangle {
    in property <image> icon;
    in property <bool> primary: false;
    callback clicked();
    width: 44px;
    height: 44px;
    border-radius: 22px;
    background: root.primary
        ? (ta.has-hover ? #ffffffd6 : Theme.accent)
        : (ta.has-hover ? Theme.surface-hover : Theme.surface-elevated);
    QbzIcon {
        source: root.icon;
        width: root.primary ? 18px : 16px;
        height: root.primary ? 18px : 16px;
        x: (parent.width - self.width) / 2;
        y: (parent.height - self.height) / 2;
        tint: root.primary ? #ffffff : Theme.text-secondary;
    }
    ta := TouchArea {
        mouse-cursor: pointer;
        clicked => {
            root.clicked();
        }
    }
}

export component Spotlight inherits VerticalLayout {
    callback open-artist(string);
    callback open-album(string);
    callback play-top-tracks(string);
    callback start-radio(string);
    callback media-action(string, string, string);

    property <length> gap: 24px;
    // Row content width: TopTracks(180) + Radio(180) + albums(220 each)
    // + gaps. has-top-tracks toggles the first card.
    property <length> radio-cards-width:
        (ForYouState.spotlight-has-top-tracks ? 180px + root.gap : 0px) + 180px + root.gap;
    property <int> album-count: ForYouState.spotlight-albums.length;
    property <length> content-width:
        root.radio-cards-width
        + root.album-count * (220px + root.gap);

    spacing: 12px;

    // Header.
    VerticalLayout {
        spacing: 2px;
        Text {
            text: @tr("Spotlight");
            color: Theme.text-primary;
            font-size: 18px;
            font-weight: Typography.semibold;
        }
        Text {
            text: @tr("Shine a light on one of your favourite artists.");
            color: Theme.text-muted;
            font-size: Typography.legal;
        }
    }

    // Hero.
    HorizontalLayout {
        spacing: 16px;
        alignment: start;
        Rectangle {
            width: 96px;
            height: 96px;
            border-radius: 48px;
            background: Theme.surface-elevated;
            clip: true;
            Image {
                width: 100%;
                height: 100%;
                source: ForYouState.spotlight-image;
                image-fit: cover;
            }
            if ForYouState.spotlight-image-url == "": QbzIcon {
                source: @image-url("../assets/icons/user.svg");
                width: 40px;
                height: 40px;
                x: (parent.width - self.width) / 2;
                y: (parent.height - self.height) / 2;
                tint: Theme.text-muted;
            }
            portrait-ta := TouchArea {
                mouse-cursor: pointer;
                clicked => {
                    root.open-artist(ForYouState.spotlight-artist-id);
                }
            }
        }
        VerticalLayout {
            alignment: center;
            spacing: 8px;
            if ForYouState.spotlight-category != "": Text {
                text: @tr("ARTIST");
                color: Theme.text-muted;
                font-size: 10px;
                font-weight: Typography.semibold;
                letter-spacing: 1.5px;
            }
            Text {
                text: ForYouState.spotlight-name;
                color: Theme.text-primary;
                font-size: Typography.title;
                font-weight: Typography.bold;
            }
            HorizontalLayout {
                spacing: 10px;
                alignment: start;
                if ForYouState.spotlight-has-top-tracks: CircleButton {
                    icon: @image-url("../assets/icons/play-fill.svg");
                    primary: true;
                    clicked => {
                        root.play-top-tracks(ForYouState.spotlight-artist-id);
                    }
                }
                CircleButton {
                    icon: @image-url("../assets/icons/user.svg");
                    clicked => {
                        root.open-artist(ForYouState.spotlight-artist-id);
                    }
                }
            }
        }
    }

    Rectangle { height: 4px; }

    // Content row — draggable (Flickable), like the other carousels.
    Rectangle {
        height: 270px;
        clip: true;
        Flickable {
            width: 100%;
            height: parent.height;
            viewport-width: root.content-width;
            viewport-height: self.height;

            HorizontalLayout {
                spacing: root.gap;
                alignment: start;

                if ForYouState.spotlight-has-top-tracks: RadioCard {
                    seed-title: @tr("Top tracks");
                    seed-subtitle: @tr("By {}", ForYouState.spotlight-name);
                    label: "TOP TRACKS";
                    artwork: ForYouState.spotlight-image;
                    clicked => {
                        root.play-top-tracks(ForYouState.spotlight-artist-id);
                    }
                    play => {
                        root.play-top-tracks(ForYouState.spotlight-artist-id);
                    }
                }
                RadioCard {
                    seed-title: ForYouState.spotlight-name;
                    seed-subtitle: @tr("Qobuz Radio Station");
                    label: "RADIO";
                    artwork: ForYouState.spotlight-image;
                    clicked => {
                        root.start-radio(ForYouState.spotlight-artist-id);
                    }
                    play => {
                        root.start-radio(ForYouState.spotlight-artist-id);
                    }
                }
                for album in ForYouState.spotlight-albums: AlbumCard {
                    album: album;
                    clicked(id) => {
                        root.open-album(id);
                    }
                    media-action(kind, id, action) => {
                        root.media-action(kind, id, action);
                    }
                }
            }
        }
    }
}