import { reactive } from 'vue'
import { differenceBy } from 'lodash-es'
import { http } from '@/services/http'
import { useVault } from '@/composables/useVault'

type UserFormData = Pick<User, 'name' | 'email' | 'role'>

export interface CreateUserData extends UserFormData {
  password: string
}

export interface UpdateUserData extends UserFormData {
  password?: string
}

export const userStore = {
  ...useVault<User>(),

  state: reactive({
    users: [] as User[],
    current: null! as CurrentUser,
  }),

  init(currentUser: CurrentUser) {
    this.state.users = this.syncWithVault(currentUser)
    this.state.current = this.state.users[0] as CurrentUser
  },

  async fetch() {
    this.state.users = this.syncWithVault(await http.get<User[]>('users'))
  },

  get current() {
    return this.state.current as CurrentUser
  },

  async store(data: CreateUserData) {
    const user = await http.post<User>('users', data)
    this.add(user)
    return this.byId(user.id)
  },

  add(user: MaybeArray<User>) {
    this.state.users.push(...this.syncWithVault(user))
  },

  async update(user: User, data: UpdateUserData) {
    this.syncWithVault(await http.put<User>(`users/${user.id}`, data))
  },

  async destroy(user: User) {
    await http.delete(`users/${user.id}`)
    this.remove(user)

    // Mama, just killed a man
    // Put a gun against his head
    // Pulled my trigger, now he's dead
    // Mama, life had just begun
    // But now I've gone and thrown it all away
    // Mama, oooh
    // Didn't mean to make you cry
    // If I'm not back again this time tomorrow
    // Carry on, carry on, as if nothing really matters
    //
    // Too late, my time has come
    // Sends shivers down my spine
    // Body's aching all the time
    // Goodbye everybody - I've got to go
    // Gotta leave you all behind and face the truth
    // Mama, oooh
    // I don't want to die
    // I sometimes wish I'd never been born at all
  },

  remove(user: User) {
    this.state.users = differenceBy(this.state.users, [user], 'id')
    this.vault.delete(user.id)
  },
}