interface RegisterData {
  email: string;
  username: string;
  identifyingCode: string;
  password: string;
  passwordRepeat: string;
  birth: string;
  avatarFile: string;
}

interface LoginData {
  usernameOrEmail: string;
  password: string;
}

interface resetData {
  usernameOrEmail: string;
  identifyingCode: string;
  password: string;
  passwordRepeat: string;
}

export enum PageType {
  'login',
  'register',
  'reset',
}

export interface LoginStore {
  loginForm: LoginData;
  registerForm: RegisterData;
  resetForm: resetData;
  currentType: PageType;
}

export const useLoginStore = defineStore('Login', {
  state: (): LoginStore => ({
    loginForm: { usernameOrEmail: '', password: '' },
    registerForm: {
      email: '',
      identifyingCode: '',
      username: '',
      password: '',
      passwordRepeat: '',
      birth: '',
      avatarFile: '',
    },
    resetForm: {
      usernameOrEmail: '',
      identifyingCode: '',
      password: '',
      passwordRepeat: '',
    },
    currentType: PageType.login,
  }),
  actions: {
    async login() {
      const { $http } = useNuxtApp();
      try {
        await $http.POST('/login/', this.loginForm);
      } catch {
        return false;
      }
      return true;
    },
    async sendRegisterIdentifyingCode(): Promise<boolean> {
      const email = this.registerForm.email;
      if (email === '') {
        await MessagePlugin.error('请输入邮箱');
        return false;
      } else if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)) {
        await MessagePlugin.error('请输入正确的邮箱');
        return false;
      }
      const { $http } = useNuxtApp();
      let result: APIResponse<unknown>;
      try {
        result = await $http.GET('/login/register/identifyingCode', {
          email: email,
        });
      } catch (e) {
        await MessagePlugin.error(e as string);
        return false;
      }
      if (result.code === 200) {
        return true;
      } else {
        await MessagePlugin.error(result.message);
      }
      return false;
    },
    async sendResetIdentifyingCode(): Promise<boolean> {
      const { $http } = useNuxtApp();
      const usernameOrEmail = this.resetForm.usernameOrEmail;
      if (usernameOrEmail === '') {
        await MessagePlugin.error('请输入用户名或邮箱');
        return false;
      }
      const result = await $http.GET('/login/passwordReset/identifyingCode', {
        usernameOrEmail: usernameOrEmail,
      });
      if (result.code === 200) {
        return true;
      } else {
        await MessagePlugin.error(result.message);
      }
      return false;
    },
    async register(recallWhenSuccess: () => void) {
      const { $http } = useNuxtApp();
      try {
        await $http.POST('/login/register', this.registerForm);
        recallWhenSuccess();
      } catch {
        return;
      }
    },
    async reset(recallWhenSuccess: () => void) {
      const { $http } = useNuxtApp();
      try {
        await $http.POST('/login/passwordReset', this.resetForm);
        recallWhenSuccess();
      } catch {
        return;
      }
    },
    async logout() {
      const { $http } = useNuxtApp();
      try {
        await $http.GET('/login/logout');
      } catch {
        return;
      }
      const router = useRouter();
      await router.push('/login');
    },
  },
  getters: {
    getTypeName: (state) => {
      switch (state.currentType) {
        case PageType.login:
          return '登录';
        case PageType.register:
          return '注册';
        case PageType.reset:
          return '重置密码';
        default:
          return '未知';
      }
    },
  },
});