// Lyrics display-settings flyout panel — 1:1 to Tauri's
// `LyricsControlsPopover.svelte` (268px popover below-right of the sliders
// trigger), ADAPTED to the Slint flyout idiom (alignment standard "Modals &
// flyouts": padding 14px / spacing 12px, toggle rows = label
// `horizontal-stretch: 1` + control trailing, footer actions right-aligned
// `alignment: end` with the shared auto-width SecondaryButton; selects are
// `QbzSelect` with explicit menu-width — never pill option buttons, ADR-008,
// so Tauri's segmented S/M/L/XL and Off/Soft/Strong rows become selects).
//
// Row order is Tauri's exactly: Auto-follow / Font / Size / Active color /
// Uppercase / Dimming / footer (Copy lyrics + Reset).
//
// Deviations (spec §6): D6 — active color is a fixed swatch palette (Slint
// has no native color-picker input); the "Theme" reset link shows only while
// a custom color is set (exact Tauri chip semantics). Q6 RESOLVED SHIPPED —
// the font row is included: the four non-system families are bundled TTFs
// embedded at compile time (see LyricsLinesView.slint).
//
// This component is the popup CONTENT; the PopupWindow shell (explicit
// height + close-policy, the documented footgun) lives at the anchor site in
// LyricsSidebar. Every mutation writes the LyricsState in-out pref directly
// (live preview) and fires prefs-changed() so Rust persists.

import { Theme } from "../foundation/semantic-colors.slint";
import { Radius } from "../foundation/radius.slint";
import { QbzToggle } from "../primitives/QbzToggle.slint";
import { QbzSelect } from "../primitives/QbzSelect.slint";
import { QbzTextLink } from "../primitives/QbzTextLink.slint";
import { SecondaryButton } from "../primitives/SecondaryButton.slint";
import { LyricsState } from "../state.slint";

// One selectable color swatch (D6 palette). Ring-highlighted while it is the
// active custom color.
component ColorSwatch inherits Rectangle {
    in property <color> swatch;
    property <bool> selected:
        LyricsState.use-custom-color && LyricsState.custom-color == root.swatch;

    width: 18px;
    height: 18px;
    border-radius: 9px;
    background: root.swatch;
    border-width: root.selected ? 2px : (ta.has-hover ? 1px : 0px);
    border-color: root.selected ? Theme.text-primary : Theme.border-muted;

    ta := TouchArea {
        mouse-cursor: pointer;
        clicked => {
            LyricsState.use-custom-color = true;
            LyricsState.custom-color = root.swatch;
            LyricsState.prefs-changed();
        }
    }
}

component RowLabel inherits Text {
    color: Theme.text-secondary;
    font-size: 12px;
    vertical-alignment: center;
    horizontal-stretch: 1;
}

export component LyricsControlsPanel inherits Rectangle {
    // Copy gate — Tauri canCopy: loaded && !error && lines > 0
    // (LyricsSidebar.svelte:35).
    property <bool> can-copy:
        LyricsState.status == 2 && LyricsState.lines.length > 0;

    background: Theme.surface-main;
    border-radius: Radius.sm;
    border-width: 1px;
    border-color: Theme.border-muted;
    drop-shadow-blur: 24px;
    drop-shadow-color: Theme.card-shadow;
    drop-shadow-offset-y: 6px;

    VerticalLayout {
        padding: 14px;
        spacing: 12px;

        // Auto-follow.
        HorizontalLayout {
            height: 22px;
            spacing: 8px;
            RowLabel { text: @tr("Auto-follow"); }
            QbzToggle {
                checked: LyricsState.auto-follow;
                toggled(v) => {
                    LyricsState.auto-follow = v;
                    LyricsState.prefs-changed();
                }
            }
        }

        // Font (Q6 shipped — embedded families).
        HorizontalLayout {
            height: 30px;
            spacing: 8px;
            RowLabel { text: @tr("Font"); }
            QbzSelect {
                sm: true;
                menu-width: 178px;
                options: [
                    @tr("System"),
                    @tr("LINE Seed JP"),
                    @tr("Montserrat"),
                    @tr("Noto Sans"),
                    @tr("Source Sans 3"),
                ];
                current-index: LyricsState.font-index;
                selected(i) => {
                    LyricsState.font-index = i;
                    LyricsState.prefs-changed();
                }
            }
        }

        // Size (Tauri segmented S/M/L/XL -> select, flyout idiom).
        HorizontalLayout {
            height: 30px;
            spacing: 8px;
            RowLabel { text: @tr("Size"); }
            QbzSelect {
                sm: true;
                menu-width: 120px;
                options: [@tr("S"), @tr("M"), @tr("L"), @tr("XL")];
                current-index: LyricsState.size-index;
                selected(i) => {
                    LyricsState.size-index = i;
                    LyricsState.prefs-changed();
                }
            }
        }

        // Active color — label (+ "Theme" reset while custom), swatch palette
        // underneath, right-aligned on the control grid (D6).
        VerticalLayout {
            height: 44px;
            spacing: 8px;
            HorizontalLayout {
                spacing: 8px;
                RowLabel { text: @tr("Active color"); }
                if LyricsState.use-custom-color: QbzTextLink {
                    label: @tr("Theme");
                    clicked => {
                        LyricsState.use-custom-color = false;
                        LyricsState.prefs-changed();
                    }
                }
            }
            HorizontalLayout {
                alignment: end;
                spacing: 6px;
                ColorSwatch { swatch: #8b5cf6; }
                ColorSwatch { swatch: #ec4899; }
                ColorSwatch { swatch: #ef4444; }
                ColorSwatch { swatch: #f97316; }
                ColorSwatch { swatch: #eab308; }
                ColorSwatch { swatch: #22c55e; }
                ColorSwatch { swatch: #06b6d4; }
                ColorSwatch { swatch: #3b82f6; }
            }
        }

        // Uppercase.
        HorizontalLayout {
            height: 22px;
            spacing: 8px;
            RowLabel { text: @tr("Uppercase"); }
            QbzToggle {
                checked: LyricsState.uppercase;
                toggled(v) => {
                    LyricsState.uppercase = v;
                    LyricsState.prefs-changed();
                }
            }
        }

        // Dimming (Tauri segmented Off/Soft/Strong -> select).
        HorizontalLayout {
            height: 30px;
            spacing: 8px;
            RowLabel { text: @tr("Dimming"); }
            QbzSelect {
                sm: true;
                menu-width: 130px;
                options: [@tr("Off"), @tr("Soft"), @tr("Strong")];
                current-index: LyricsState.dimming-mode;
                selected(i) => {
                    LyricsState.dimming-mode = i;
                    LyricsState.prefs-changed();
                }
            }
        }

        // Footer: Copy lyrics (gated) + Reset, right-aligned (standard).
        HorizontalLayout {
            height: 34px;
            alignment: end;
            spacing: 8px;
            SecondaryButton {
                label: @tr("Copy lyrics");
                enabled: root.can-copy;
                clicked => {
                    LyricsState.copy-lyrics();
                }
            }
            SecondaryButton {
                label: @tr("Reset");
                clicked => {
                    LyricsState.reset-prefs();
                }
            }
        }
    }
}