const { modules } = require('../../utils/console_ops');
const { request, uploadFile, downloadFile, buildResultView } = require('../../utils/request');

Page({
  data: {
    moduleKey: '',
    moduleTitle: '',
    ops: [],
    opIndex: 0,
    formData: {},
    resultText: '',
    resultTextCards: [],
    filePath: '',
    imagePath: ''
  },
  onLoad(options) {
    const moduleKey = options.module || '';
    const module = modules.find(m => m.key === moduleKey) || modules[0];
    this.setData({
      moduleKey: module ? module.key : '',
      moduleTitle: module ? module.title : '',
      ops: module ? module.ops : []
    });
    this.resetForm();
  },
  onOpChange(e) {
    this.setData({ opIndex: Number(e.detail.value) || 0, resultText: '', resultTextCards: [], imagePath: '' });
    this.resetForm();
  },
  resetForm() {
    const op = this.currentOp();
    const formData = {};
    if (op && op.fields) {
      op.fields.forEach(f => {
        if (f.default !== undefined) formData[f.key] = f.default;
      });
    }
    this.setData({ formData, filePath: '' });
  },
  currentOp() {
    return this.data.ops[this.data.opIndex];
  },
  onInput(e) {
    const key = e.currentTarget.dataset.key;
    const value = e.detail.value;
    const formData = { ...this.data.formData, [key]: value };
    this.setData({ formData });
  },
  async chooseFile() {
    try {
      const res = await wx.chooseMessageFile({ count: 1, type: 'file' });
      const file = res.tempFiles && res.tempFiles[0];
      if (file && file.path) {
        this.setData({ filePath: file.path });
      }
    } catch (e) {}
  },
  buildUrl(op, formData) {
    let url = op.path;
    const query = [];
    if (op.fields) {
      op.fields.forEach(f => {
        const val = formData[f.key];
        if (f.in === 'path' && val !== undefined && val !== '') {
          url = url.replace(`{${f.key}}`, encodeURIComponent(String(val)));
        }
        if (f.in === 'query' && val !== undefined && val !== '') {
          query.push(`${encodeURIComponent(f.key)}=${encodeURIComponent(String(val))}`);
        }
      });
    }
    if (query.length > 0) {
      url += (url.includes('?') ? '&' : '?') + query.join('&');
    }
    return url;
  },
  buildBody(op, formData) {
    if (!op.fields) return {};
    const body = {};
    op.fields.forEach(f => {
      if (f.in === 'path' || f.in === 'query') return;
      if (f.key === 'body_json' && formData.body_json) return;
      const val = formData[f.key];
      if (val !== undefined && val !== '') {
        body[f.key] = val;
      }
    });
    if (formData.body_json) {
      try {
        const parsed = JSON.parse(formData.body_json);
        return parsed;
      } catch (e) {}
    }
    if (body.include && typeof body.include === 'string') {
      body.include = body.include.split(',').map(s => s.trim()).filter(Boolean);
    }
    if (body.mask_money || body.mask_names) {
      body.mask = {
        money: String(body.mask_money).toLowerCase() === 'true',
        names: String(body.mask_names).toLowerCase() === 'true'
      };
      delete body.mask_money;
      delete body.mask_names;
    }
    if (body.auto_start !== undefined) {
      body.auto_start = String(body.auto_start).toLowerCase() === 'true';
    }
    if (body.saleTime) {
      body.saleTime = Number(body.saleTime);
    }
    return body;
  },
  async runOp() {
    const op = this.currentOp();
    if (!op) return;
    const formData = this.data.formData || {};
    this.setData({ resultText: '', resultTextCards: [], imagePath: '' });

    if (op.type === 'upload') {
      if (!this.data.filePath) {
        const view = buildResultView('请先选择文件');
        this.setData({ resultText: view.text, resultTextCards: view.cards });
        return;
      }
      const formDataPayload = { ...formData };
      delete formDataPayload.file;
      const result = await uploadFile({ url: op.path, filePath: this.data.filePath, name: 'file', formData: formDataPayload });
      const view = buildResultView(result);
      this.setData({ resultText: view.text, resultTextCards: view.cards });
      return;
    }

    const url = this.buildUrl(op, formData);
    if (op.responseType === 'file') {
      try {
        const tempPath = await downloadFile({ url });
        const view = buildResultView('下载成功');
        this.setData({ imagePath: tempPath, resultText: view.text, resultTextCards: view.cards });
      } catch (e) {
        const view = buildResultView('下载失败');
        this.setData({ resultText: view.text, resultTextCards: view.cards });
      }
      return;
    }

    const body = this.buildBody(op, formData);
    try {
      const result = await request({ url, method: op.method, data: op.method === 'GET' ? undefined : body });
      const view = buildResultView(result);
      this.setData({ resultText: view.text, resultTextCards: view.cards });
    } catch (e) {
      const view = buildResultView(e.message || '请求失败');
      this.setData({ resultText: view.text, resultTextCards: view.cards });
    }
  }
});