import test from 'node:test';
import assert from 'node:assert/strict';
import MoreMenuController from '../js/ui/moreMenuController.js';

test('copy-link action writes to clipboard and shows success', async () => {
  let copied = null;
  const clipboard = {
    writeText: async (text) => {
      copied = text;
    },
  };

  const messages = { error: [], success: [] };

  const controller = new MoreMenuController({
    clipboard,
    callbacks: {
      buildShareUrlFromEventId: (eventId) => `https://example.com/watch/${eventId}`,
      showError: (message) => messages.error.push(message),
      showSuccess: (message) => messages.success.push(message),
      getCurrentVideo: () => ({ id: 'fallback-id' }),
    },
  });

  await controller.handleMoreMenuAction('copy-link', { eventId: 'abc123' });
  await Promise.resolve();

  assert.equal(copied, 'https://example.com/watch/abc123');
  assert.deepEqual(messages.error, []);
  assert.deepEqual(messages.success, ['Video link copied to clipboard!']);
});

test('blacklist-author requires moderator access and refreshes subscriptions', async () => {
  const calls = [];
  const accessControl = {
    ensureReady: async () => {
      calls.push('ensureReady');
    },
    canEditAdminLists: (actorNpub) => {
      calls.push(['canEdit', actorNpub]);
      return true;
    },
    addToBlacklist: async (actorNpub, targetNpub) => {
      calls.push(['add', actorNpub, targetNpub]);
      return { ok: true };
    },
  };

  let refreshedWith = null;

  const controller = new MoreMenuController({
    accessControl,
    callbacks: {
      getCurrentUserNpub: () => 'npub1actor',
      getCurrentVideo: () => ({ pubkey: 'authorhex' }),
      safeEncodeNpub: (pubkey) => `npub:${pubkey}`,
      showError: (message) => {
        throw new Error(`Unexpected error: ${message}`);
      },
      showSuccess: (message) => {
        calls.push(['success', message]);
      },
      canCurrentUserManageBlacklist: () => true,
      refreshAllVideoGrids: async (args) => {
        refreshedWith = args;
      },
    },
  });

  await controller.handleMoreMenuAction('blacklist-author', {
    author: 'authorhex',
  });

  assert.deepEqual(calls, [
    'ensureReady',
    ['canEdit', 'npub1actor'],
    ['add', 'npub1actor', 'npub:authorhex'],
    ['success', 'Creator added to the blacklist.'],
  ]);
  assert.deepEqual(refreshedWith, {
    reason: 'admin-blacklist-update',
    forceMainReload: true,
  });
});

test('blacklist-author shows error when no moderator session is available', async () => {
  const errors = [];
  const controller = new MoreMenuController({
    callbacks: {
      getCurrentUserNpub: () => null,
      showError: (message) => errors.push(message),
      getCurrentVideo: () => ({ pubkey: 'authorhex' }),
    },
  });

  await controller.handleMoreMenuAction('blacklist-author', {
    author: 'authorhex',
  });

  assert.deepEqual(errors, [
    'Please login as a moderator to manage the blacklist.',
  ]);
});

test('block-author updates user blocks, reloads videos, and refreshes feeds', async () => {
  const events = [];
  const userBlocks = {
    ensureLoaded: async (pubkey) => {
      events.push(['ensureLoaded', pubkey]);
    },
    isBlocked: (pubkey) => {
      events.push(['isBlocked', pubkey]);
      return false;
    },
    addBlock: async (target, actor) => {
      events.push(['addBlock', target, actor]);
    },
  };

  const moderationStub = {
    awaitUserBlockRefresh: async () => {
      events.push(['awaitUserBlockRefresh']);
    },
  };

  const controller = new MoreMenuController({
    userBlocks,
    moderationService: moderationStub,
    callbacks: {
      getCurrentUserPubkey: () => 'actorhex',
      getCurrentVideo: () => ({ pubkey: 'fallbackhex' }),
      safeDecodeNpub: (npub) => (npub === 'npub1target' ? 'targethex' : ''),
      showError: (message) => {
        throw new Error(`Unexpected error: ${message}`);
      },
      showSuccess: (message) => {
        events.push(['success', message]);
      },
      onUserBlocksUpdated: () => {
        events.push(['refreshBlockedList']);
      },
      refreshAllVideoGrids: async (args) => {
        events.push(['refreshAllVideoGrids', args]);
      },
    },
  });

  await controller.handleMoreMenuAction('block-author', {
    author: 'npub1target',
  });

  assert.deepEqual(events, [
    ['ensureLoaded', 'actorhex'],
    ['isBlocked', 'targethex'],
    ['addBlock', 'targethex', 'actorhex'],
    ['success', "Creator blocked. You won't see their videos anymore."],
    ['refreshBlockedList'],
    ['awaitUserBlockRefresh'],
    [
      'refreshAllVideoGrids',
      { reason: 'user-block-update', forceMainReload: true },
    ],
  ]);
});

test('mute-author updates viewer mute list and refreshes feeds', async () => {
  const events = [];
  const moderationStub = {
    isAuthorMutedByViewer: () => false,
  };
  const userBlocksStub = {
    addMute: async (target, viewer) => {
      events.push(['addMute', target, viewer]);
      return { ok: true };
    },
  };

  const controller = new MoreMenuController({
    moderationService: moderationStub,
    userBlocks: userBlocksStub,
    callbacks: {
      getCurrentUserPubkey: () => 'viewerhex',
      getCurrentVideo: () => ({ pubkey: 'fallbackhex' }),
      showSuccess: (message) => {
        events.push(['success', message]);
      },
      showError: (message) => {
        events.push(['error', message]);
      },
      safeDecodeNpub: () => '',
      refreshAllVideoGrids: async (args) => {
        events.push(['refreshAllVideoGrids', args]);
      },
    },
  });

  const targetHex = 'd'.repeat(64);

  await controller.handleMoreMenuAction('mute-author', { author: targetHex });

  assert.deepEqual(events, [
    ['addMute', targetHex, 'viewerhex'],
    ['success', 'Creator muted. Their videos will be downranked in your feeds.'],
    [
      'refreshAllVideoGrids',
      { reason: 'viewer-mute-update', forceMainReload: true },
    ],
  ]);
});

test('unmute-author removes creators from viewer mute list', async () => {
  const events = [];
  const moderationStub = {
    isAuthorMutedByViewer: () => true,
  };
  const userBlocksStub = {
    removeMute: async (target, viewer) => {
      events.push(['removeMute', target, viewer]);
      return { ok: true };
    },
  };

  const controller = new MoreMenuController({
    moderationService: moderationStub,
    userBlocks: userBlocksStub,
    callbacks: {
      getCurrentUserPubkey: () => 'viewerhex',
      getCurrentVideo: () => ({ pubkey: 'fallbackhex' }),
      showSuccess: (message) => {
        events.push(['success', message]);
      },
      showError: (message) => {
        events.push(['error', message]);
      },
      safeDecodeNpub: () => '',
      refreshAllVideoGrids: async (args) => {
        events.push(['refreshAllVideoGrids', args]);
      },
    },
  });

  const targetHex = 'e'.repeat(64);

  await controller.handleMoreMenuAction('unmute-author', { author: targetHex });

  assert.deepEqual(events, [
    ['removeMute', targetHex, 'viewerhex'],
    ['success', 'Creator removed from your mute list.'],
    [
      'refreshAllVideoGrids',
      { reason: 'viewer-mute-update', forceMainReload: true },
    ],
  ]);
});

// Regression: card popovers don't always carry the video object on the menu
// context. The view-stats and event-details actions must resolve the video from
// the menu item's eventId so the buttons work for cards (not just the modal).
test('event-details forwards the eventId so the app can resolve a card video', async () => {
  let received = null;
  const controller = new MoreMenuController({
    callbacks: {
      getCurrentVideo: () => null,
      handleEventDetailsAction: async (payload) => {
        received = payload;
      },
      showError: (message) => {
        throw new Error(`Unexpected error: ${message}`);
      },
    },
  });

  // video === null mimics entry.context.video being absent on a card popover.
  await controller.handleMoreMenuAction(
    'event-details',
    { eventId: 'card-event-id', context: 'card' },
    null,
  );

  assert.equal(received?.eventId, 'card-event-id');
  assert.equal(received?.video, null);
});

test('view-stats looks the card video up by eventId instead of the modal video', async () => {
  const resolvedVideo = { id: 'card-event-id', pubkey: 'authorhex' };
  const lookups = [];
  const controller = new MoreMenuController({
    callbacks: {
      // The old code used `|| currentVideo`, which would show this video's stats
      // for any card whose popover lacked the object — the bug we're guarding.
      getCurrentVideo: () => ({ id: 'wrong-modal-video' }),
      getVideoByEventId: (eventId) => {
        lookups.push(eventId);
        return eventId === 'card-event-id' ? resolvedVideo : null;
      },
      showError: (message) => {
        throw new Error(`Unexpected error: ${message}`);
      },
    },
  });

  // Drive the real action with no video object (card popover) in a DOM-less
  // harness — openPopularityModal no-ops without a document, so we assert the
  // controller resolved the right video by eventId before opening.
  await controller.handleMoreMenuAction(
    'view-stats',
    { eventId: 'card-event-id', context: 'card' },
    null,
  );

  assert.deepEqual(lookups, ['card-event-id']);
});

// Regression: the modal ⋯ trigger declares its context via `data-more-dropdown`
// ("modal"), not `data-context`. Reading only `data-context` made it default to
// "card" and skip modal video resolution, so the popover opened with a null
// video and every action reported "No video selected." attachMoreMenuHandlers
// must treat the trigger as modal context and resolve the modal's active video.
test('modal ⋯ trigger resolves its video via data-more-dropdown + activeVideo fallback', async () => {
  const activeVideo = { id: 'modal-video-id', pubkey: 'authorhex' };

  const controller = new MoreMenuController({
    callbacks: {
      // currentVideo is null (e.g. deep-link open without playback) — the bug.
      getCurrentVideo: () => null,
      canCurrentUserManageBlacklist: () => false,
    },
  });
  // The modal is the authoritative on-screen video source.
  controller.setVideoModal({ activeVideo });
  // Avoid the real DOM/popover engine; capture what toggleMoreMenu receives.
  let toggled = null;
  controller.toggleMoreMenu = (detail) => {
    toggled = detail;
  };
  controller.ensureGlobalMoreMenuHandlers = () => {};
  controller.getHTMLElementConstructor = () => null;
  controller.document = {};

  // Minimal trigger button mimicking the modal ⋯ markup.
  let clickHandler = null;
  const button = {
    dataset: {},
    getAttribute: (name) =>
      name === 'data-more-dropdown' ? 'modal' : null,
    addEventListener: (type, handler) => {
      if (type === 'click') clickHandler = handler;
    },
  };
  const container = {
    querySelectorAll: () => [button],
  };

  controller.attachMoreMenuHandlers(container);
  assert.equal(typeof clickHandler, 'function', 'click handler bound');

  await clickHandler({ preventDefault() {}, stopPropagation() {} });

  assert.equal(toggled?.context, 'modal');
  assert.equal(toggled?.video, activeVideo);
});