import {WINDOW_MAX_HEIGHT, WINDOW_MIN_HEIGHT, PRE_ITEM_HEIGHT, SYSTEM_PLUGINS} from './constans';
import download from 'download-git-repo';
import path from 'path';
import fs from 'fs';
import process from 'child_process';
import Store from 'electron-store';
import downloadFile from 'download';
import {nativeImage} from 'electron';
import {APP_FINDER_PATH} from './constans';

const store = new Store();

function getWindowHeight(searchList) {
  if (!searchList) return WINDOW_MAX_HEIGHT;
  if (!searchList.length) return WINDOW_MIN_HEIGHT;
  return searchList.length * PRE_ITEM_HEIGHT + WINDOW_MIN_HEIGHT + 5 > WINDOW_MAX_HEIGHT ?  WINDOW_MAX_HEIGHT : searchList.length * PRE_ITEM_HEIGHT + WINDOW_MIN_HEIGHT + 5;
}

function searchKeyValues(lists, value){
  return lists.filter(item => {
    if (typeof item === 'string') return item.indexOf(value) >= 0;
    return item.type.indexOf(value) >= 0;
  })
}

function existOrNot(path) {
  return new Promise((resolve, reject) => {
    fs.stat(path, async (err, stat) => {
      if (err) {
        resolve(false);
      } else {
        resolve(true);
      }
    });
  });
}

function mkdirFolder(name) {
  return new Promise((resolve, reject) => {
    process.exec(`mkdir ${name}`, async function (error, stdout, stderr) {
      if (error) {
        reject(false);
      } else {
        resolve(true);
      }
    })
  });
}

async function downloadZip(downloadRepoUrl, name) {
  try {
    const plugin_path = path.join(__static, './plugins');
    const targetUrl = downloadRepoUrl ? downloadRepoUrl : `https://github.com/clouDr-f2e/${name}/archive/refs/heads/master.zip`;
    if (!(await existOrNot(plugin_path))) {
      await mkdirFolder(plugin_path);
    }
    // 基础模版所在目录，如果是初始化，则是模板名称，否则是项目名称
    const temp_dest = `${plugin_path}/${name}-master`;
    // 下载模板
    if (await existOrNot(temp_dest)) {
      await process.execSync(`rm -rf ${temp_dest}`);
    }
    await downloadFile(targetUrl, `${__static}/plugins`,{extract: true})
  } catch (e) {
    console.log(e);
  }
}

function downloadFunc(downloadRepoUrl, name) {
  const targetGit = downloadRepoUrl ? downloadRepoUrl : `github:clouDr-f2e/${name}`;
  const plugin_path = path.join(__static, './plugins');

  return new Promise(async (resolve, reject) => {
    try {
      if (!(await existOrNot(plugin_path))) {
        await mkdirFolder(plugin_path);
      }
      // 基础模版所在目录，如果是初始化，则是模板名称，否则是项目名称
      const temp_dest = `${plugin_path}/${name}`;
      // 下载模板
      if (await existOrNot(temp_dest)) {
        await process.execSync(`rm -rf ${temp_dest}`);
      }

      download(targetGit, temp_dest, {clone: true}, function (err) {
        console.log(err ? 'Error' : 'Success')
        if (err) {
          console.log(err);
          reject('请求模板下载失败');
        } else {
          resolve('请求模板下载成功');
        }
      })
    } catch (e) {
      console.log(e);
    }

  });
}

const sysFile = {
  savePlugins(plugins) {
    store.set('user-plugins', plugins);
  },
  getUserPlugins() {
    try {
      return store.get('user-plugins').devPlugins;
    } catch (e) {
      return []
    }
  },
  removeAllPlugins() {
    store.delete('user-plugins');
  }
}
sysFile.removeAllPlugins()

function mergePlugins(plugins) {
  return [
    ...plugins,
    ...SYSTEM_PLUGINS.map(plugin => {
      return {
        ...plugin,
        status: true,
        sourceFile: '',
        type: 'system',
      }
    }),
  ]
}

function find(p, target = 'plugin.json') {
  try {
    let result;
    const fileList = fs.readdirSync(p);
    for (let i = 0; i < fileList.length; i++) {
      let thisPath = p + "/" + fileList[i];
      const data = fs.statSync(thisPath);

      if (data.isFile() && fileList[i] === target) {
        result = path.join(thisPath, '../');
        return result;
      }
      if (data.isDirectory()) {
        result = find(thisPath);
      }
    }
    return result;
  } catch (e) {
    console.log(e);
  }
}
const fileLists = [];
// 默认搜索目录
APP_FINDER_PATH.forEach((searchPath) => {
  fs.readdir(searchPath, (err, files) => {
    try {
      for (let i = 0; i < files.length; i++) {
        const appName = files[i];
        const extname = path.extname(appName);
        const appSubStr = appName.split(extname)[0];
        if ((extname === '.app' || extname === '.prefPane') >= 0 ) {
          try {
            const path1 = path.join(searchPath, `${appName}/Contents/Resources/App.icns`);
            const path2 = path.join(searchPath, `${appName}/Contents/Resources/AppIcon.icns`);
            const path3 = path.join(searchPath, `${appName}/Contents/Resources/${appSubStr}.icns`);
            const path4 = path.join(searchPath, `${appName}/Contents/Resources/${appSubStr.replace(' ', '')}.icns`);
            let iconPath = path1;
            if (fs.existsSync(path1)) {
              iconPath = path1;
            } else if (fs.existsSync(path2)) {
              iconPath = path2;
            } else if (fs.existsSync(path3)) {
              iconPath = path3;
            } else if (fs.existsSync(path4)) {
              iconPath = path4;
            } else {
              // 性能最低的方式
              const resourceList = fs.readdirSync(path.join(searchPath, `${appName}/Contents/Resources`));
              const iconName = resourceList.filter(file => path.extname(file) === '.icns')[0];
              iconPath = path.join(searchPath, `${appName}/Contents/Resources/${iconName}`);
            }
            nativeImage.createThumbnailFromPath(iconPath, {width: 64, height: 64}).then(img => {
              fileLists.push({
                name: appSubStr,
                value: 'plugin',
                icon: img.toDataURL(),
                desc: path.join(searchPath, appName),
                type: 'app',
                action: `open ${path.join(searchPath, appName).replace(' ', '\\ ')}`
              })
            })
          } catch (e) {
          }

        }
      }
    } catch (e) {
      console.log(e);
    }
  });
});


function debounce(fn, delay) {
  let timer
  return function () {
    const context = this
    const args = arguments

    clearTimeout(timer)
    timer = setTimeout(function () {
      fn.apply(context, args)
    }, delay)
  }
}

export {
  getWindowHeight,
  searchKeyValues,
  downloadFunc,
  sysFile,
  mergePlugins,
  find,
  downloadZip,
  fileLists,
  debounce,
}