import { defineStore } from 'pinia'
import { ref } from 'vue'
import { api } from '@/services/api'

export type FactType =
  | 'companion_planting'
  | 'soil_amendment'
  | 'propagation'
  | 'pest_diagnosis'
  | 'harvest_timing'
  | 'instruction'
  | 'medicinal'
  | 'history_context'

export interface KnowledgeFact {
  id: number
  source_id: number
  fact_type: FactType
  subject: string | null
  payload: Record<string, unknown>
  presenter: string | null
  confidence: number
  fact_hash: string
  created_at: string
  video_path: string | null
  location: string | null
}

export interface KnowledgeFilters {
  fact_type?: FactType
  subject?: string
  presenter?: string
  min_confidence?: number
  limit?: number
  offset?: number
}

export const useKnowledgeStore = defineStore('knowledge', () => {
  const facts = ref<KnowledgeFact[]>([])
  const loading = ref(false)
  const error = ref<string | null>(null)

  async function fetchFacts(filters: KnowledgeFilters = {}) {
    loading.value = true
    error.value = null
    try {
      const resp = await api.get('/knowledge', { params: filters })
      facts.value = resp.data
    } catch (e: any) {
      error.value = e?.response?.data?.detail ?? 'Failed to load knowledge'
    } finally {
      loading.value = false
    }
  }

  return { facts, loading, error, fetchFacts }
})