openapi: 3.0.3
info:
  title: Products API
  version: 1.0.0
  description: API untuk mengelola data products pada database Neon

servers:
  - url: https://your-api-url.vercel.app
    description: Vercel (sesuaikan dengan URL deploy kamu)

paths:
  /products:
    get:
      summary: Get all products
      operationId: getProducts
      description: Mengambil semua produk dari database
      tags:
        - Products
      responses:
        '200':
          description: Daftar semua produk
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Product'

    post:
      summary: Create a new product
      operationId: createProduct
      description: Menambah produk baru ke database
      tags:
        - Products
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ProductInput'
      responses:
        '201':
          description: Produk berhasil dibuat
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Product'
        '400':
          description: Input tidak valid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'

  /products/{id}:
    get:
      summary: Get product by ID
      operationId: getProductById
      description: Mengambil satu produk berdasarkan ID
      tags:
        - Products
      parameters:
        - name: id
          in: path
          required: true
          description: ID produk
          schema:
            type: integer
      responses:
        '200':
          description: Produk ditemukan
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Product'
        '400':
          description: ID tidak valid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Produk tidak ditemukan
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'

    delete:
      summary: Delete a product
      operationId: deleteProduct
      description: Menghapus satu produk berdasarkan ID
      tags:
        - Products
      parameters:
        - name: id
          in: path
          required: true
          description: ID produk
          schema:
            type: integer
      responses:
        '204':
          description: Produk berhasil dihapus
        '400':
          description: ID tidak valid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Produk tidak ditemukan
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'

components:
  schemas:
    Product:
      type: object
      description: Representasi satu produk dari database
      properties:
        id:
          type: integer
          description: ID unik produk, auto-generated oleh database
          example: 1
        name:
          type: string
          description: Nama produk
          maxLength: 100
          example: "Laptop"
        price:
          type: number
          description: Harga produk
          example: 8500000.00
        stock:
          type: integer
          description: Jumlah stok produk
          example: 10
      required:
        - id
        - name
        - price
        - stock

    ProductInput:
      type: object
      description: Schema untuk request body saat menambahkan produk baru
      properties:
        name:
          type: string
          description: Nama produk
          maxLength: 100
          example: "Monitor"
        price:
          type: number
          description: Harga produk
          example: 1500000.00
        stock:
          type: integer
          description: Jumlah stok produk
          example: 5
      required:
        - name
        - price
        - stock

    Error:
      type: object
      description: Schema untuk response error
      properties:
        error:
          type: string
          description: Pesan error
          example: "Product not found"
      required:
        - error