import { defineStore } from "pinia";
import Web3 from "web3";
import CryptoJS from "crypto-js";
import { cloneDeep } from "lodash";
import { sysLogin } from "@/common/login.js";


export const useWalletStore = defineStore("useWalletStore", {
  state: () => ({
    id: "", // name + @ + account
    isAuthenticated: false, // 登录状态
    account: null, // 钱包地址 
    
    privateKey: null, // 私钥
    encryptedKey: localStorage.getItem("encryptedKey") || null, // 加密后的密钥
    loading: false, // 加载状态
    error: null, // 错误信息
    chainId: null, // 链ID

    balance: "0", // 账户余额(ETH)

    rpcUrl: "", // ACC私有链RPC

    username: "", // 用户名
    accountName: "", //网络昵称
    accountIcon: "", // 网络头像
    accountPassword: null, // 密码
    accountHint: "", //  提示词
    words: "", // 助记词

    walletList: [], // 钱包列表
  }),
  persist: true,
  getters: {
    getWalletList() {
      return this.walletList;
    },
  },
  actions: { 
    async initWeb3() {
      try {
        window.$web3 = new Web3(this.rpcUrl);
        return window.$web3
      } catch (err) {
        console.log(err);
        this.error = "初始化区块链连接失败";
        return null;
      }
    },
 
    async getBalance() {
      if (!this.account || !window.$web3) {
        await this.initWeb3()
      }
      try {
        const weiBalance = await window.$web3.eth.getBalance(this.account);
        this.balance  = await window.$web3.utils.fromWei(weiBalance, "ether");
        return  this.balance;
      } catch (err) {
        this.error = "获取余额失败";
        return "0";
      }
    },
    async loginWithPrivateKey(isMnemonic = false) {
      this.loading = true;
      this.error = null;
      try {
        const web3 = window.$web3 || (await this.initWeb3());
        if (!web3) throw new Error("区块链连接失败");

        // 助记词路径
        if (isMnemonic) {
          // 验证助记词格式 (12或24个单词)
          if (![12, 24].includes(this.words.length)) {
            throw new Error("助记词应为12或24个单词");
          }
          // 从助记词派生私钥 (使用HD钱包)
          const hdwallet = web3.eth.accounts.wallet.create(1, this.words);
          this.privateKey = hdwallet[0].privateKey; 
        }
        if (!/^0x[0-9a-fA-F]{64}$/.test(this.privateKey)) {
          throw new Error("私钥格式不正确");
        } 
        // 创建账户对象
        const account = await web3.eth.accounts.privateKeyToAccount(this.privateKey);
        // 验证是否为合约地址
        const code = await web3.eth.getCode(account.address);
        if (code !== "0x") throw new Error("该地址是合约地址，不支持登录");

        this.account = account.address;
        this.isAuthenticated = true;
        this.chainId =  `${await web3.eth.getChainId()}n`;
        this.id = `${this.account}@${this.accountName}`
        this.addWallet()
        await sysLogin(this.account)
        return {
          address: account.address,
          chainId: this.chainId,
          balance: this.balance,
        };
      } catch (err) {
        console.log("登录失败");
        this.error = err.message || "登录失败";
        throw err;
      }finally {
        this.$persist();
        this.loading = false;
      }
    },

    // 添加钱包
    addWallet() { 
      const data = cloneDeep(this.$state)
      Reflect.deleteProperty(data, "walletList");
      if(this.walletList.length = 0) {
        this.walletList.push(data)
        return 
      } 
      const findIndex = this.walletList.findIndex(item =>  item.id === this.id);
      if(findIndex != -1){
        this.walletList[walletList] = data
      }else{
        this.walletList.push(data)
      }
    },

    // 切换钱包
    switchWallet(account) { 
    },
  },
});