/*
Copyright 2024-2026 ReplyPier

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

import { ref } from 'vue'
import type { Role } from '@/types/user'
import { listRoles, createRole, updateRole, deleteRole } from '@/services/roles'
import { toast } from 'vue-sonner'

export function useRoles() {
  const roles = ref<Role[]>([])
  const loading = ref(false)
  const error = ref('')
  const showCreateModal = ref(false)
  const showEditModal = ref(false)
  const showDeleteModal = ref(false)
  const selectedRole = ref<Role | null>(null)
  const deleteError = ref('')

  const openCreateModal = () => {
    selectedRole.value = null
    showCreateModal.value = true
  }

  const fetchRoles = async () => {
    try {
      loading.value = true
      roles.value = await listRoles()
    } catch (err) {
      console.error('Failed to load roles:', err)
      error.value = '加载角色失败'
    } finally {
      loading.value = false
    }
  }

  const handleCreateRole = async (roleData: Partial<Role>) => {
    try {
      console.log('Creating role:', roleData)
      loading.value = true
      const newRole = await createRole(roleData)
      roles.value.unshift(newRole)
      showCreateModal.value = false
      toast.success('角色已创建', {
        duration: 4000,
        closeButton: true
      })
    } catch (err) {
      console.error('Error creating role:', err)
      toast.error('创建角色失败', {
        duration: 4000,
        closeButton: true
      })
    } finally {
      loading.value = false
    }
  }

  const handleEditRole = (role: Role) => {
    console.log('Editing role:', role)
    selectedRole.value = role
    showEditModal.value = true
  }

  const handleUpdateRole = async (roleData: Partial<Role>) => {
    if (!selectedRole.value) return

    try {
      loading.value = true
      const updatedRole = await updateRole(selectedRole.value.id, roleData)
      const index = roles.value.findIndex(r => r.id === updatedRole.id)
      if (index !== -1) {
        roles.value[index] = updatedRole
      }
      showEditModal.value = false
      toast.success('角色已更新', {
        duration: 4000,
        closeButton: true
      })
    } catch (err) {
      console.error('Error updating role:', err)
      toast.error('更新角色失败', {
        duration: 4000,
        closeButton: true
      })
    } finally {
      loading.value = false
    }
  }

  const handleDeleteRole = (role: Role) => {
    selectedRole.value = role
    showDeleteModal.value = true
    deleteError.value = ''
  }

  const confirmDeleteRole = async () => {
    if (!selectedRole.value) return

    try {
      loading.value = true
      deleteError.value = ''
      await deleteRole(selectedRole.value.id)
      roles.value = roles.value.filter(r => r.id !== selectedRole.value?.id)
      showDeleteModal.value = false
      toast.success('角色已删除', {
        duration: 4000,
        closeButton: true
      })
    } catch (err: any) {
      console.error('Error deleting role:', err)
      deleteError.value = err.response?.data?.detail || '删除角色失败'
    } finally {
      loading.value = false
    }
  }

  return {
    roles,
    loading,
    error,
    deleteError,
    showCreateModal,
    showEditModal,
    showDeleteModal,
    selectedRole,
    fetchRoles,
    openCreateModal,
    handleCreateRole,
    handleEditRole,
    handleUpdateRole,
    handleDeleteRole,
    confirmDeleteRole
  }
}