'use server'

import { z } from 'zod'
import { PERMS } from '@/lib/permissions'
import { prisma } from '@/lib/prisma'
import { adminAction } from '@/lib/safe-action'
import { ActionError, actionOk } from '@/lib/safe-action-shared'
import { logAudit } from '@/lib/services/audit'
import { createPollSchema, pollQuestionSchema, updatePollSchema } from '@/lib/validators/poll'

// ── Polls ───────────────────────────────────────────────────────────

export const createPoll = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: createPollSchema },
  async (ctx) => {
    const poll = await prisma.websitePoll.create({ data: ctx.data })
    logAudit({
      userId: ctx.session.user.id,
      action: 'poll_create',
      target: 'WebsitePoll',
      targetId: poll.id,
      after: { title: poll.title },
    })
    return actionOk({ id: poll.id })
  },
)

const updatePollInput = updatePollSchema.extend({
  id: z.coerce.number().int().positive(),
})

export const updatePoll = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: updatePollInput },
  async (ctx) => {
    const { id, ...data } = ctx.data
    const existing = await prisma.websitePoll.findUnique({ where: { id } })
    if (!existing) throw new ActionError('Poll not found')

    await prisma.websitePoll.update({ where: { id }, data })
    logAudit({
      userId: ctx.session.user.id,
      action: 'poll_update',
      target: 'WebsitePoll',
      targetId: id,
      before: { title: existing.title, status: existing.status },
      after: data,
    })
    return actionOk({ id })
  },
)

const deletePollInput = z.object({
  id: z.coerce.number().int().positive(),
})

export const deletePoll = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: deletePollInput },
  async (ctx) => {
    const existing = await prisma.websitePoll.findUnique({ where: { id: ctx.data.id } })
    if (!existing) throw new ActionError('Poll not found')

    await prisma.websitePoll.delete({ where: { id: ctx.data.id } })
    logAudit({
      userId: ctx.session.user.id,
      action: 'poll_delete',
      target: 'WebsitePoll',
      targetId: ctx.data.id,
      before: { title: existing.title },
    })
    return actionOk()
  },
)

// ── Questions ───────────────────────────────────────────────────────

export const addPollQuestion = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: pollQuestionSchema },
  async (ctx) => {
    const question = await prisma.websitePollQuestion.create({ data: ctx.data })
    return actionOk({ id: question.id })
  },
)

const updateQuestionInput = pollQuestionSchema.partial().extend({
  id: z.coerce.number().int().positive(),
})

export const updatePollQuestion = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: updateQuestionInput },
  async (ctx) => {
    const { id, ...data } = ctx.data
    await prisma.websitePollQuestion.update({ where: { id }, data })
    return actionOk({ id })
  },
)

const deleteQuestionInput = z.object({
  id: z.coerce.number().int().positive(),
})

export const deletePollQuestion = adminAction(
  { permission: PERMS.POLLS_EDIT, schema: deleteQuestionInput },
  async (ctx) => {
    await prisma.websitePollQuestion.delete({ where: { id: ctx.data.id } })
    return actionOk()
  },
)