import { defineStore } from 'pinia'
import { ref } from 'vue'
import { invoke } from '@tauri-apps/api/core'

export interface Favorite {
  id?: number
  project_id: number
  task_id?: number | null
  description?: string | null
  sort_order: number
}

export const useFavoritesStore = defineStore('favorites', () => {
  const favorites = ref<Favorite[]>([])

  async function fetchFavorites() {
    try {
      favorites.value = await invoke<Favorite[]>('get_favorites')
    } catch (error) {
      console.error('Failed to fetch favorites:', error)
    }
  }

  async function createFavorite(fav: Favorite): Promise<number | null> {
    try {
      const id = await invoke<number>('create_favorite', { fav })
      favorites.value.push({ ...fav, id: Number(id) })
      return Number(id)
    } catch (error) {
      console.error('Failed to create favorite:', error)
      return null
    }
  }

  async function deleteFavorite(id: number): Promise<boolean> {
    try {
      await invoke('delete_favorite', { id })
      favorites.value = favorites.value.filter(f => f.id !== id)
      return true
    } catch (error) {
      console.error('Failed to delete favorite:', error)
      return false
    }
  }

  async function reorderFavorites(ids: number[]): Promise<boolean> {
    try {
      await invoke('reorder_favorites', { ids })
      return true
    } catch (error) {
      console.error('Failed to reorder favorites:', error)
      return false
    }
  }

  return { favorites, fetchFavorites, createFavorite, deleteFavorite, reorderFavorites }
})