import {
  WINDOW_MAX_HEIGHT,
  WINDOW_MIN_HEIGHT,
  PRE_ITEM_HEIGHT,
  SYSTEM_PLUGINS
} from "./constans";
import path from "path";
import fs from "fs";
import Store from "electron-store";
import downloadFile from "download";
import { ipcRenderer } from "electron";
import { getLocalDataFile } from "../../../main/common/utils";
import shell from "shelljs";

const getApp =
  process.platform === "win32"
    ? require("./win-app").getApp
    : require("./darwin-app").getApp;

const store = new Store();

getApp.init();
const fileLists = getApp.fileLists;

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.toLowerCase().indexOf(value.toLowerCase()) >= 0;
    return item.type.toLowerCase().indexOf(value.toLowerCase()) >= 0;
  });
}

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

const appPath = getLocalDataFile();

async function downloadZip(downloadRepoUrl, name) {
  try {
    const plugin_path = appPath;
    // 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)) {
      shell.rm("-rf", temp_dest);
    }

    await downloadFile(downloadRepoUrl, temp_dest, { extract: true });

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

const sysFile = {
  savePlugins(plugins) {
    ipcRenderer.send("optionPlugin", {
      plugins: plugins.filter(plugin => {
        let hasOption = false;
        plugin.features.forEach(fe => {
          fe.cmds.forEach(cmd => {
            if (cmd.type) {
              hasOption = true;
            }
          });
        });
        return hasOption;
      })
    });
    store.set("user-plugins", plugins);
  },
  getUserPlugins() {
    try {
      return store.get("user-plugins");
    } catch (e) {
      return [];
    }
  },
  removeAllPlugins() {
    store.delete("user-plugins");
  }
};

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

  const target = [];

  result.forEach((item, i) => {
    let targetIndex = -1;
    target.forEach((tg, j) => {
      if (tg.tag === item.tag && tg.type === "system") {
        targetIndex = j;
      }
    });
    if (targetIndex === -1) {
      target.push(item);
    }
  });
  ipcRenderer &&
    ipcRenderer.send("optionPlugin", {
      plugins: target.filter(plugin => {
        let hasOption = false;
        plugin.features.forEach(fe => {
          fe.cmds.forEach(cmd => {
            if (cmd.type) {
              hasOption = true;
            }
          });
        });
        return hasOption;
      })
    });
  ipcRenderer &&
    ipcRenderer.send("pluginInit", {
      plugins: target
    });
  return target;
}

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);
  }
}

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,
  sysFile,
  mergePlugins,
  find,
  downloadZip,
  fileLists,
  debounce
};
