"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();
	},
);