import { dispatchMessage } from '../messageBus/messageBus.ts'
import { ProblemDetails } from '../../types'
import { SignupCode } from './signupCode.ts'
import { ApiClient } from '../api/client.ts'

export class AuthService {
  constructor(private readonly client: ApiClient) {}

  async login(username: string, password: string, rememberMe: boolean = false) {
    const res = await this.client.POST('/auth/login', {
      body: { username, password, rememberMe },
      credentials: 'include',
    })

    if (!res.data) {
      throw new Error('invalid credentials')
    }

    dispatchMessage('auth:logged-in', null)
  }

  async signup(username: string, password: string, signupCode: string, rememberMe: boolean = false) {
    const res = await this.client.POST('/auth/register', {
      body: { username, password, signupCode, email: null, rememberMe },
      credentials: 'include',
    })

    if (!res.data) {
      console.error(res.error)
      throw new Error((res.error as ProblemDetails)?.detail ?? 'invalid credentials')
    }

    dispatchMessage('auth:registered', null)
  }

  async logout() {
    await this.client.DELETE('/auth/session', { credentials: 'include' })

    dispatchMessage('auth:logged-out', null)
  }

  async createSignupCode(code: string, email: string, name: string) {
    const res = await this.client.POST('/auth/signup-codes', {
      body: { code, email, name },
      credentials: 'include',
    })

    if (!res.data) {
      console.error(res.error)
      throw new Error('failed to create signup code')
    }
  }

  async listSignupCodes() {
    const res = await this.client.GET('/auth/signup-codes', {
      credentials: 'include',
    })

    if (!res.data) {
      console.error(res.error)
      throw new Error('error')
    }

    return res.data.signupCodes.map(SignupCode.fromDto)
  }

  async refreshUser(userId: string) {
    await this.client.GET(`/auth/user/{userId}`, {
      params: {
        path: { userId },
      },
      credentials: 'include',
    })

    dispatchMessage('auth:refreshed', null)
  }
}