import { dbHelpers } from '../../../backend/src/db.js'

const { query, queryOne, run } = dbHelpers

/**
 * API routes for this drop
 *
 * Route pattern format: "METHOD /path/:param"
 *
 * Example routes:
 * - "GET /items" - Get all items
 * - "GET /items/:id" - Get single item by ID
 * - "POST /items" - Create new item
 * - "PUT /items/:id" - Update item
 * - "DELETE /items/:id" - Delete item
 */
export const routes = {
    /**
     * Get all items
     * GET /api/<drop-name>/items
     */
    'GET /items': async (req) => {
        const items = query(
            `SELECT * FROM DROPNAME_items ORDER BY created_at DESC`,
        )

        return Response.json({
            items,
            count: items.length,
        })
    },

    /**
     * Get single item by ID
     * GET /api/<drop-name>/items/:id
     */
    'GET /items/:id': async (req, params) => {
        const item = queryOne(`SELECT * FROM DROPNAME_items WHERE id = ?`, [
            params.id,
        ])

        if (!item) {
            return Response.json({ error: 'Item not found' }, { status: 404 })
        }

        return Response.json(item)
    },

    /**
     * Create new item
     * POST /api/<drop-name>/items
     */
    'POST /items': async (req) => {
        const body = await req.json()

        // Validate input
        if (!body.data) {
            return Response.json(
                { error: 'Missing required field: data' },
                { status: 400 },
            )
        }

        const result = run(`INSERT INTO DROPNAME_items (data) VALUES (?)`, [
            JSON.stringify(body.data),
        ])

        return Response.json(
            {
                id: result.lastInsertRowid,
                success: true,
            },
            { status: 201 },
        )
    },

    /**
     * Update item
     * PUT /api/<drop-name>/items/:id
     */
    'PUT /items/:id': async (req, params) => {
        const body = await req.json()

        const result = run(`UPDATE DROPNAME_items SET data = ? WHERE id = ?`, [
            JSON.stringify(body.data),
            params.id,
        ])

        if (result.changes === 0) {
            return Response.json({ error: 'Item not found' }, { status: 404 })
        }

        return Response.json({ success: true })
    },

    /**
     * Delete item
     * DELETE /api/<drop-name>/items/:id
     */
    'DELETE /items/:id': async (req, params) => {
        const result = run(`DELETE FROM DROPNAME_items WHERE id = ?`, [
            params.id,
        ])

        if (result.changes === 0) {
            return Response.json({ error: 'Item not found' }, { status: 404 })
        }

        return Response.json({ success: true })
    },
}