import { Component, OnInit } from "@angular/core";
import { Router } from "@angular/router";
import { FormBuilder, Validators, FormGroup } from "@angular/forms";
import { NzMessageService } from "ng-zorro-antd/message";
import { MainService } from "../../services/main.service";
import http from "../../../assets/js/http";
import { AES, mode, pad, enc } from "crypto-js";
import { baseUrlType } from "src/app/type/types";
import { ToolService } from 'src/app/services/tool.service';
import { Title } from '@angular/platform-browser';
import { MarkingService } from 'src/app/services/marking.service';
@Component({
  selector: "app-login",
  templateUrl: "./login.component.html",
  styleUrls: ["./login.component.less"],
})
export class LoginComponent implements OnInit {
  http: baseUrlType;
  validateForm: FormGroup;
  loading: boolean = false; // 加载状态
  isSingleSignOn: boolean = false; // 是否单点登录
  constructor(
    private router: Router,
    private fb: FormBuilder,
    private mainService: MainService,
    private msg: NzMessageService,
    private tool: ToolService,
    private titleService: Title,
    private markingService: MarkingService,
  ) {}
  ngOnInit() {
    this.http = http;
    this.isSingleSignOn = location.href.includes("?");
    if (this.isSingleSignOn) {
      this.singleSignOn();
    } else {
      this.initForm();
    }
  }
  //单点登录
  singleSignOn() {
    let url = location.href;
    let paramsStr = url.split("?")[1];
    let paramsObj = {};
    paramsStr.split("&").forEach((item) => {
      let arr = item.split("=");
      paramsObj[arr[0] + 1] = arr[1];
    });
    this.singleSignOnLogin(paramsObj);
  }
  // 单点登录
  singleSignOnLogin(paramsObj): void {
    const loadingId = this.msg.loading("登录中..", { nzDuration: 0 }).messageId;
    this.loading = true;
    this.mainService.singleSignOnLogin(paramsObj).subscribe(
      (data) => {
        this.loading = false;
        this.msg.remove(loadingId);
        this.apiLogin(data.userId, data.pwd, true);
      },
      (err) => {
        this.loading = false;
        this.msg.remove(loadingId);
        this.msg.error("登录失败", {
          nzDuration: 1000,
        });
        this.router.navigateByUrl("/login");
      }
    );
  }
  //aes加密
  encryptByEnAES(data: string): string {
    let Key = "dsadmin";
    let tmpAES = AES.encrypt(data, Key, {
      mode: mode.CBC,
      padding: pad.Pkcs7,
    });
    return tmpAES.toString();
  }
  //aes解密
  encryptByDeAES(data: string): string {
    let Key = "dsadmin";
    let tmpDeAES = AES.decrypt(data, Key, {
      mode: mode.CBC,
      padding: pad.Pkcs7,
    });
    return tmpDeAES.toString(enc.Utf8);
  }
  // 初始化菜单
  initMenu(menu) {
    let menuLis = this.transform(menu);
    menuLis.forEach((item) => {
      item.flag = false;
      item.flagBg = false;
      if (item.childrens) {
        item.childrens.forEach((value) => {
          value.flag = false;
        });
      }
    });
    localStorage.setItem("menu", JSON.stringify(menuLis));
    localStorage.setItem("index", "true"); //首页默认高亮
  }
  // 初始化登录表单
  initForm() {
    let username, passsword;
    // 如果本地存储的有remember字段(记住密码功能)
    if (localStorage.getItem("remember")) {
      let remember = JSON.parse(localStorage.getItem("remember"));
      // 比较记住密码的功能是否在有效期内
      if (remember.date > new Date().getTime()) {
        username = this.encryptByDeAES(remember.username);
        passsword = this.encryptByDeAES(remember.password);
      }
    }
    // 初始化登录表单
    this.validateForm = this.fb.group({
      userName: [username || null, [Validators.required]],
      password: [passsword || null, [Validators.required]],
      remember: [Boolean(localStorage.getItem("remember"))],
    });
  }
  // enter触发
  enterUp(e): void {
    let keyCode = e.which || e.keyCode || 0;
    if (keyCode == 13) {
      this.submitForm();
    }
  }
  // 登录
  submitForm(): void {
    for (const i in this.validateForm.controls) {
      this.validateForm.controls[i].markAsDirty();
      this.validateForm.controls[i].updateValueAndValidity();
    }
    // 用户名和密码必填
    if (
      !this.validateForm.value.userName ||
      !this.validateForm.value.password
    ) {
      this.msg.info("用户名或密码不能为空！");
      return;
    }
    this.apiLogin(
      this.validateForm.value.userName,
      this.validateForm.value.password
    );
  }
  // 登录接口,true是单点登录
  apiLogin(user, pwd, flag = false) {
    const loadingId = this.msg.loading("登录中..", { nzDuration: 0 }).messageId;
    this.loading = true;
    this.mainService.login(user, pwd).subscribe((data) => {
      this.loading = false;
      this.msg.remove(loadingId);
      if (data.status == 200) {
        if (!flag) {
          // 记住密码勾选中
          if (this.validateForm.value.remember) {
            let remember = {
              username: this.encryptByEnAES(this.validateForm.value.userName),
              password: this.encryptByEnAES(this.validateForm.value.password),
              date: new Date().getTime() + 90 * 24 * 3600 * 1000, //3个月
            };
            localStorage.setItem("remember", JSON.stringify(remember));
          } else {
            localStorage.removeItem("remember");
          }
        }
        // 重置系统名称和大屏名称
        console.log(data.user);
        let hosId = data.user.user.currentHospital ? data.user.user.currentHospital.id : ''
        this.tool.getSysNameAndLogoAsync(hosId).subscribe(result => {
          let marking = result.project || '';
          let logoTitle = result.sysName || '';
          let logoUrl = location.origin + '/file' + result.logo || '';
          let faviconUrl = location.origin + '/file' + result.favicon || '';
          this.markingService.setMarking(marking);
          this.tool.setSysName(logoTitle);
          this.tool.setLogo(logoUrl);
          this.tool.setFavicon(faviconUrl);
          this.titleService.setTitle(this.tool.logoTitle);
          (document.querySelector('#favicon') as any).href = this.tool.faviconUrl;

          this.toRoute2(data);
          this.initMenu(data.user.menu);
        })
      } else {
        this.msg.error(data.remarks, {
          nzDuration: 1000,
        });
      }
    });
  }
  // 页面跳转
  toRoute2(data) {
    let roleMenus = data.user.menu;
    let canLogin = false; //是否可以进入系统主页面(无护士端，调度台，药房端权限)
    let successLoginMsg = true; //登录成功提示,true是提示，false不提示
    let fwt = false;
    let ddt = false;
    let yfang = false;
    roleMenus.forEach((e) => {
      if (e.link == "pharmacy") {
        yfang = true;
        console.log("药房端");
      } else if (e.link == "nurse") {
        fwt = true;
        console.log("护士端");
      } else if (e.link == "dispatchingDesk") {
        ddt = true;
        console.log("调度台");
      }
      canLogin = true;
    });
    if (fwt) {
      // 护士角色跳护士端
      if (successLoginMsg) {
        this.msg.success("登录成功！", {
          nzDuration: 1000,
        });
      }
      successLoginMsg = false;
      localStorage.setItem("user", JSON.stringify(data.user));
      this.router.navigateByUrl("/nurse");

      return;
    } else if (ddt) {
      // 调度台
      if (successLoginMsg) {
        this.msg.success("登录成功！", {
          nzDuration: 1000,
        });
      }
      successLoginMsg = false;
      localStorage.setItem("user", JSON.stringify(data.user));
      this.router.navigateByUrl("/dispatchingDesk");
      return;
    } else if (yfang) {
      // 药房端2
      if (successLoginMsg) {
        this.msg.success("登录成功！", {
          nzDuration: 1000,
        });
      }
      successLoginMsg = false;
      localStorage.setItem("user", JSON.stringify(data.user));
      this.router.navigateByUrl("/pharmacy2");
      return;
    }
    // 有菜单可以进入系统主页面
    if (!canLogin) {
      this.msg.success("暂无权限进入系统！", {
        nzDuration: 1000,
      });
    } else {
      if (successLoginMsg) {
        this.msg.success("登录成功！", {
          nzDuration: 1000,
        });
      }
      successLoginMsg = false;
      localStorage.setItem("user", JSON.stringify(data.user));
      this.router.navigateByUrl("/main/home");
    }
  }
  // 处理树数据（parent格式转为children格式）
  transform(nodes): any {
    let parents = [];
    const idMapping = nodes.reduce((acc, el, i) => {
      acc[el.id] = i;
      return acc;
    }, {});
    nodes.forEach((el) => {
      if (el.parentid === null || el.parentid === undefined) {
        parents.push(el);
      } else {
        const parentEl = nodes[idMapping[el.parentid]];
        parentEl.childrens = [...(parentEl.childrens || []), el];
      }
    });
    return parents;
  }
}