"use client"

import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query"
import api from "@/lib/api"
import type { JobListResponse, BatchProgressResponse } from "@/lib/types"

const PAGE_SIZE = 25

export function useJobs(status?: string, offset = 0) {
  return useQuery({
    queryKey: ["admin", "jobs", status, offset],
    queryFn: async () => {
      const { data } = await api.get<JobListResponse>("/jobs", {
        params: { status, limit: PAGE_SIZE, offset },
      })
      return data
    },
    refetchInterval: 5000,
  })
}

export { PAGE_SIZE as JOBS_PAGE_SIZE }

export function useEnqueueJob() {
  const qc = useQueryClient()
  return useMutation({
    mutationFn: async (body: {
      job_type: string
      priority?: number
      payload?: Record<string, unknown>
      target_asset_id?: string
      batch_id?: string
    }) => {
      const { data } = await api.post("/jobs", body)
      return data
    },
    onSuccess: () => qc.invalidateQueries({ queryKey: ["admin", "jobs"] }),
  })
}

export function useStartJob() {
  const qc = useQueryClient()
  return useMutation({
    mutationFn: async (jobId: string) => {
      await api.post(`/jobs/${jobId}/start`)
    },
    onSuccess: () => qc.invalidateQueries({ queryKey: ["admin", "jobs"] }),
  })
}

export function useCompleteJob() {
  const qc = useQueryClient()
  return useMutation({
    mutationFn: async ({
      jobId,
      result,
    }: {
      jobId: string
      result: Record<string, unknown>
    }) => {
      await api.post(`/jobs/${jobId}/complete`, { result })
    },
    onSuccess: () => qc.invalidateQueries({ queryKey: ["admin", "jobs"] }),
  })
}

export function useFailJob() {
  const qc = useQueryClient()
  return useMutation({
    mutationFn: async ({ jobId, error }: { jobId: string; error: string }) => {
      await api.post(`/jobs/${jobId}/fail`, { error })
    },
    onSuccess: () => qc.invalidateQueries({ queryKey: ["admin", "jobs"] }),
  })
}

export function useBatchProgress(batchId: string) {
  return useQuery({
    queryKey: ["admin", "batch", batchId],
    queryFn: async () => {
      const { data } = await api.get<BatchProgressResponse>(
        `/jobs/batches/${batchId}`,
      )
      return data
    },
    enabled: !!batchId,
    refetchInterval: 3000,
  })
}