const { request, buildResultView, normalizeResponse } = require('../../utils/request');

const RESULT_PREVIEW_LIMIT = 240;

function buildResultState(text) {
  const content = text || '';
  return { resultHasMore: content.length > RESULT_PREVIEW_LIMIT, resultExpanded: false };
}

function buildImportCards(payload) {
  const cards = [];
  if (!payload || typeof payload !== 'object') return cards;
  if (payload.task_id) {
    cards.push({ label: '关联任务', value: `#${payload.task_id}` });
  }
  if (payload.existing_task) {
    const name = payload.existing_task.title || payload.existing_task.id || '已存在任务';
    cards.push({ label: '已存在任务', value: String(name) });
    if (payload.existing_task.conversation_count !== undefined) {
      cards.push({ label: '对话数量', value: String(payload.existing_task.conversation_count) });
    }
  }
  if (Array.isArray(payload.conversations)) {
    cards.push({ label: '解析对话', value: String(payload.conversations.length) });
  }
  if (payload.summary) {
    const summary = payload.summary;
    if (summary.total_rounds !== undefined) {
      cards.push({ label: '总轮数', value: String(summary.total_rounds) });
    }
    if (summary.user_messages !== undefined) {
      cards.push({ label: '用户消息', value: String(summary.user_messages) });
    }
    if (summary.bot_messages !== undefined) {
      cards.push({ label: '机器人消息', value: String(summary.bot_messages) });
    }
    if (Array.isArray(summary.keywords) && summary.keywords.length) {
      cards.push({ label: '关键词', value: summary.keywords.join('、') });
    }
    if (Array.isArray(summary.main_topics) && summary.main_topics.length) {
      cards.push({ label: '主要话题', value: summary.main_topics.join('、') });
    }
  }
  return cards;
}

Page({
  data: {
    content: '',
    check_only: 'false',
    overwrite: 'false',
    task_id: '',
    task_name: '',
    robot_id: '',
    result: '',
    resultCards: [],
    resultExpanded: false,
    resultHasMore: false,
    importCards: []
  },
  onInput(e) {
    const key = e.currentTarget.dataset.key;
    this.setData({ [key]: e.detail.value });
  },
  toggleResult() {
    this.setData({ resultExpanded: !this.data.resultExpanded });
  },
  setResult(result) {
    const view = buildResultView(result);
    const payload = normalizeResponse(result).payload;
    const importCards = buildImportCards(payload);
    const state = buildResultState(view.text);
    this.setData({ result: view.text, resultCards: view.cards, importCards, ...state });
  },
  async parse() {
    const result = await request({
      url: '/api/prompt/import',
      method: 'POST',
      data: { content: this.data.content, check_only: true }
    });
    this.setResult(result);
  },
  async confirm() {
    const payload = {
      content: this.data.content,
      check_only: String(this.data.check_only).toLowerCase() === 'true',
      overwrite: String(this.data.overwrite).toLowerCase() === 'true',
      task_id: this.data.task_id ? Number(this.data.task_id) : undefined,
      task_name: this.data.task_name,
      robot_id: this.data.robot_id ? Number(this.data.robot_id) : undefined
    };
    const result = await request({ url: '/api/prompt/import', method: 'POST', data: payload });
    this.setResult(result);
  }
});