// Content only. Maintenance checklist: docs/architecture/update-guide.md.
// Change the ID only when users should see a new guide, never for typo fixes.
export const CURRENT_UPDATE_GUIDE = Object.freeze({
    id: '2026-10-rail-and-voices',
    steps: Object.freeze([
        { id: 'layout', icon: '🧭', titleKey: 'updateGuideLayoutTitle', bodyKey: 'updateGuideLayoutBody' },
        { id: 'model-types', icon: '📦', titleKey: 'updateGuideModelTypesTitle', bodyKey: 'updateGuideModelTypesBody' },
        { id: 'activity', icon: '🕘', titleKey: 'updateGuideActivityTitle', bodyKey: 'updateGuideActivityBody' },
        { id: 'voices', icon: '🎙️', titleKey: 'updateGuideVoicesTitle', bodyKey: 'updateGuideVoicesBody' },
        { id: 'memory', icon: '🪶', titleKey: 'updateGuideMemoryTitle', bodyKey: 'updateGuideMemoryBody' },
    ]),
});

// Spotlight tour of the audio studio. Steps whose target is not on screen (no characters
// yet, the audio gallery open, sidebar collapsed) are skipped.
export const AUDIO_TOUR_STEPS = Object.freeze([
    { targetSelector: '[data-tour="audio-import"]', icon: '📥', titleKey: 'audioTourImportTitle', bodyKey: 'audioTourImportBody', position: 'bottom' },
    { targetSelector: '.anomalous-character-voice-header.is-draggable', icon: '🧲', titleKey: 'audioTourDragTitle', bodyKey: 'audioTourDragBody', position: 'bottom' },
    { targetSelector: '.anomalous-character-voice-actions', icon: '🎭', titleKey: 'audioTourEditTitle', bodyKey: 'audioTourEditBody', position: 'bottom' },
    { targetSelector: '.anomalous-voice-copy-btn', icon: '🏷️', titleKey: 'audioTourTagTitle', bodyKey: 'audioTourTagBody', position: 'bottom' },
    { targetSelector: '[data-tour="audio-script"]', icon: '📜', titleKey: 'audioTourScriptTitle', bodyKey: 'audioTourScriptBody', position: 'bottom' },
    { targetSelector: '#anomalous-audio-gallery-btn', icon: '🎧', titleKey: 'audioTourGalleryTitle', bodyKey: 'audioTourGalleryBody', position: 'right' },
    { targetSelector: '.anomalous-audio-sidebar-settings', icon: '⚙️', titleKey: 'audioTourSettingsTitle', bodyKey: 'audioTourSettingsBody', position: 'top' },
]);

// How-to for the audio studio; the "!" button opens it while the audio domain is active.
// Optional fields: titleKey (dialog title), tour: false (no spotlight tour banner) or the
// guide's own spotlight steps (default: the browser's tour).
export const AUDIO_USAGE_GUIDE = Object.freeze({
    id: 'audio-studio-usage',
    titleKey: 'audioGuideTitle',
    tour: AUDIO_TOUR_STEPS,
    steps: Object.freeze([
        { id: 'files', icon: '🎙️', titleKey: 'audioGuideFilesTitle', bodyKey: 'audioGuideFilesBody' },
        { id: 'drag', icon: '🧲', titleKey: 'audioGuideDragTitle', bodyKey: 'audioGuideDragBody' },
        { id: 'tags', icon: '🏷️', titleKey: 'audioGuideTagsTitle', bodyKey: 'audioGuideTagsBody' },
        { id: 'script', icon: '📜', titleKey: 'audioGuideScriptTitle', bodyKey: 'audioGuideScriptBody' },
        { id: 'generate', icon: '🎧', titleKey: 'audioGuideGenerateTitle', bodyKey: 'audioGuideGenerateBody' },
    ]),
});

export function validateUpdateGuide(guide, locales) {
    if (!guide || typeof guide.id !== 'string' || !/^[a-z0-9][a-z0-9-]{0,79}$/.test(guide.id)) return false;
    if (!Array.isArray(guide.steps) || guide.steps.length < 1 || guide.steps.length > 5) return false;
    if (guide.titleKey !== undefined && !['zh', 'en'].every(locale => typeof locales[locale]?.[guide.titleKey] === 'string')) return false;
    if (Array.isArray(guide.tour) && !guide.tour.every(step => typeof step?.targetSelector === 'string'
        && ['titleKey', 'bodyKey'].every(field => ['zh', 'en'].every(locale => typeof locales[locale]?.[step[field]] === 'string')))) return false;
    const ids = new Set();
    return guide.steps.every(step => {
        if (!step || typeof step.id !== 'string' || !step.id || ids.has(step.id)) return false;
        ids.add(step.id);
        if (typeof step.icon !== 'string' || !step.icon || step.icon.length > 8) return false;
        return ['titleKey', 'bodyKey'].every(field => typeof step[field] === 'string'
            && ['zh', 'en'].every(locale => typeof locales[locale]?.[step[field]] === 'string'
                && locales[locale][step[field]].trim().length > 0));
    });
}