const test = require('node:test');
const assert = require('node:assert/strict');
const path = require('node:path');
const createLoader = require('./load-module.cjs');
function setup(api = {}) {
  let definition; const patches = []; let hidden = 0;
  createLoader({ Page: value => definition = value, wx: { hideKeyboard: () => hidden++, showToast() {} }, console, Date, Promise }, {
    '../../utils/page-cache': { withDataCache: value => value },
    '../../utils/layout': { getLayout: () => ({}) },
    '../../utils/request': { api, getImageUrl: value => value }
  })(path.join(__dirname, '../pages/diary_detail/diary_detail.js'));
  const page = { ...definition, data: { ...definition.data, diaryId: 1, diary: { comment_count: 0 } },
    setData(patch) { patches.push(patch); for (const [key, value] of Object.entries(patch)) {
      if (key === 'diary.comment_count') this.data.diary.comment_count = value;
      else this.data[key] = value;
    } } };
  return { page, patches, hidden: () => hidden };
}
test('composer follows keyboard without rewriting text, and caps long input height', () => {
  const { page, patches } = setup(); page.onCommentTap(); patches.length = 0;
  page.onCommentInput({ detail: { value: '字'.repeat(300) } });
  page.onCommentKeyboardHeight({ detail: { height: 360 } });
  page.onCommentLineChange({ detail: { height: 400 } });
  assert.equal(page.data.commentKeyboardHeight, 360);
  assert.equal(page.data.commentEditorHeight, 160);
  assert.equal(page.data.commentText.length, 300);
  assert.ok(patches.every(p => !('commentInitialText' in p) && !('commentText' in p)));
  page.onCommentKeyboardHeight({ detail: { height: 0 } });
  assert.equal(page.data.commentKeyboardHeight, 0);
});
test('closing and reopening preserves draft while changing reply target resets it', () => {
  const { page } = setup(); page.onCommentTap(); page.onCommentInput({ detail: { value: '未发送' } });
  page.cancelComment(); page.onCommentTap(); assert.equal(page.data.commentInitialText, '未发送');
  page.onReplyTap({ currentTarget: { dataset: { item: { id: 2, user_id: 3, nickname: 'TA' } } } });
  assert.equal(page.data.commentText, ''); assert.equal(page.data.replyTo.id, 2);
  page.onHide(); assert.equal(page.data.commentKeyboardHeight, 0); assert.equal(page.data.commentFocus, false);
});
test('failed send preserves draft and allows retry; concurrent send is ignored', async () => {
  let release; let calls = 0;
  const { page } = setup({ diaryCommentAdd: () => { calls++; return new Promise((resolve, reject) => release = reject); } });
  page.onCommentTap(); page.onCommentInput({ detail: { value: '保留这句话' } });
  const pending = page.submitComment(); await page.submitComment(); assert.equal(calls, 1);
  release({ error: '网络错误' }); await pending;
  assert.equal(page.data.commentSending, false); assert.equal(page.data.commentText, '保留这句话');
  assert.equal(page.data.showCommentInput, true);
});
test('successful reply sends reply metadata and clears composer', async () => {
  let params;
  const { page, hidden } = setup({ diaryCommentAdd: async value => { params = value; return { success: true, comment: { id: 5 } }; } });
  page.onReplyTap({ currentTarget: { dataset: { item: { id: 2, user_id: 3, nickname: 'TA' } } } });
  page.onCommentInput({ detail: { value: '回复内容' } }); await page.submitComment();
  assert.equal(params.parent_id, 2); assert.equal(params.reply_to_user_id, 3);
  assert.equal(page.data.commentText, ''); assert.equal(page.data.commentKeyboardHeight, 0);
  assert.equal(page.data.showCommentInput, false); assert.equal(page.data.diary.comment_count, 1);
  assert.equal(hidden(), 1);
});