import db from "@/lib/db";
import { NextResponse } from "next/server";
import { withReadAuth, withUserAuth } from "@/lib/middleware/auth";

// GET: Get a specific task template
async function getTaskHandler(req, { params }) {
	const { id } = await params;
	try {
		const template = db
			.prepare("SELECT * FROM tasks WHERE task_id = ? AND is_standard = 1")
			.get(id);

		if (!template) {
			return NextResponse.json(
				{ error: "Task template not found" },
				{ status: 404 }
			);
		}

		return NextResponse.json(template);
	} catch (error) {
		return NextResponse.json(
			{ error: "Failed to fetch task template" },
			{ status: 500 }
		);
	}
}

// PUT: Update a task template
async function updateTaskHandler(req, { params }) {
	const { id } = await params;
	try {
		const { name, max_wait_days, description, task_category } = await req.json();

		if (!name) {
			return NextResponse.json({ error: "Name is required" }, { status: 400 });
		}

		if (task_category && !['design', 'construction'].includes(task_category)) {
			return NextResponse.json({ error: "Invalid task_category (must be design or construction)" }, { status: 400 });
		}

		const result = db
			.prepare(
				`UPDATE tasks 
				 SET name = ?, max_wait_days = ?, description = ?, task_category = ?
				 WHERE task_id = ? AND is_standard = 1`
			)
			.run(name, max_wait_days || 0, description || null, task_category, id);

		if (result.changes === 0) {
			return NextResponse.json(
				{ error: "Task template not found" },
				{ status: 404 }
			);
		}

		return NextResponse.json({ success: true });
	} catch (error) {
		return NextResponse.json(
			{ error: "Failed to update task template" },
			{ status: 500 }
		);
	}
}

// DELETE: Delete a task template
async function deleteTaskHandler(req, { params }) {
	const { id } = await params;
	try {
		const result = db
			.prepare("DELETE FROM tasks WHERE task_id = ? AND is_standard = 1")
			.run(id);

		if (result.changes === 0) {
			return NextResponse.json(
				{ error: "Task template not found" },
				{ status: 404 }
			);
		}

		return NextResponse.json({ success: true });
	} catch (error) {
		return NextResponse.json(
			{ error: "Failed to delete task template" },
			{ status: 500 }
		);
	}
}

// Protected routes - require authentication
export const GET = withReadAuth(getTaskHandler);
export const PUT = withUserAuth(updateTaskHandler);
export const DELETE = withUserAuth(deleteTaskHandler);