import { create } from 'zustand'
import { immer } from 'zustand/middleware/immer'
import type { JobWithRelations } from '@/actions/jobs-page'

type JobsState = {
  activeJobs: JobWithRelations[]
  doneJobs: JobWithRelations[]
  selectedJobId: string | null
}

type JobsActions = {
  initJobs(active: JobWithRelations[], done: JobWithRelations[]): void
  setSelectedJobId(id: string | null): void
  upsertJob(job: Partial<JobWithRelations> & { id: string; status: string }): void
}

export const useJobsStore = create<JobsState & JobsActions>()(
  immer((set) => ({
    activeJobs: [],
    doneJobs: [],
    selectedJobId: null,

    initJobs(active, done) {
      set((state) => {
        state.activeJobs = active
        state.doneJobs = done
      })
    },

    setSelectedJobId(id) {
      set((state) => {
        state.selectedJobId = id
      })
    },

    upsertJob(job) {
      set((state) => {
        const isDone = job.status.toUpperCase() === 'DONE'

        if (isDone) {
          state.activeJobs = state.activeJobs.filter(j => j.id !== job.id)
          if (!state.doneJobs.find(j => j.id === job.id)) {
            state.doneJobs.unshift(job as JobWithRelations)
            if (state.doneJobs.length > 100) {
              state.doneJobs = state.doneJobs.slice(0, 100)
            }
          }
        } else {
          const idx = state.activeJobs.findIndex(j => j.id === job.id)
          if (idx !== -1) {
            Object.assign(state.activeJobs[idx], job)
          } else {
            state.activeJobs.unshift(job as JobWithRelations)
          }
        }
      })
    },
  }))
)