#===============================================================================
# Kong API Gateway 声明式配置
#
# 此文件定义所有服务、路由和插件配置
# 可用于 DB-less 模式或作为配置参考文档
#
# 服务架构:
#   - user-service:         用户认证和管理 (3001)
#   - payment-service:      支付处理 (3002)
#   - knowledge-service:    知识库服务 (3003)
#   - conversation-service: 对话服务 (3004)
#   - evolution-service:    进化服务 (3005)
#
#===============================================================================

_format_version: "2.1"
_transform: true

#===============================================================================
# 服务和路由定义
#===============================================================================

services:
  #-----------------------------------------------------------------------------
  # User Service - 用户认证和管理
  #-----------------------------------------------------------------------------
  - name: user-service
    url: http://user-service:3001
    connect_timeout: 60000
    write_timeout: 60000
    read_timeout: 60000
    retries: 3
    routes:
      - name: user-routes
        paths:
          - /api/v1/users
          - /api/v1/auth
        strip_path: false
        preserve_host: true
        methods:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          - OPTIONS

  #-----------------------------------------------------------------------------
  # Payment Service - 支付处理
  #-----------------------------------------------------------------------------
  - name: payment-service
    url: http://payment-service:3002
    connect_timeout: 60000
    write_timeout: 60000
    read_timeout: 60000
    retries: 3
    routes:
      - name: payment-routes
        paths:
          - /api/v1/payments
          - /api/v1/subscriptions
        strip_path: false
        preserve_host: true
        methods:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          - OPTIONS

  #-----------------------------------------------------------------------------
  # Knowledge Service - 知识库服务
  #-----------------------------------------------------------------------------
  - name: knowledge-service
    url: http://knowledge-service:3003
    connect_timeout: 60000
    write_timeout: 60000
    read_timeout: 60000
    retries: 3
    routes:
      - name: knowledge-routes
        paths:
          - /api/v1/knowledge
        strip_path: false
        preserve_host: true
        methods:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          - OPTIONS

  #-----------------------------------------------------------------------------
  # Conversation Service - 对话服务
  # 注意: 需要更长的超时时间以支持 AI 流式响应
  #-----------------------------------------------------------------------------
  - name: conversation-service
    url: http://conversation-service:3004
    connect_timeout: 60000
    write_timeout: 120000
    read_timeout: 120000
    retries: 2
    routes:
      - name: conversation-routes
        paths:
          - /api/v1/conversations
          - /api/v1/messages
        strip_path: false
        preserve_host: true
        methods:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          - OPTIONS

  #-----------------------------------------------------------------------------
  # Evolution Service - 进化服务
  #-----------------------------------------------------------------------------
  - name: evolution-service
    url: http://evolution-service:3005
    connect_timeout: 60000
    write_timeout: 60000
    read_timeout: 60000
    retries: 3
    routes:
      - name: evolution-routes
        paths:
          - /api/v1/evolution
        strip_path: false
        preserve_host: true
        methods:
          - GET
          - POST
          - PUT
          - PATCH
          - DELETE
          - OPTIONS

#===============================================================================
# 全局插件配置
#===============================================================================

plugins:
  #-----------------------------------------------------------------------------
  # CORS - 跨域资源共享
  #-----------------------------------------------------------------------------
  - name: cors
    config:
      origins:
        - https://iconsulting.szaiai.com
        - http://localhost:5173
        - http://localhost:3000
      methods:
        - GET
        - POST
        - PUT
        - PATCH
        - DELETE
        - OPTIONS
      headers:
        - Accept
        - Accept-Version
        - Content-Type
        - Content-Length
        - Authorization
        - X-User-Id
        - X-Request-Id
      exposed_headers:
        - X-Request-Id
      credentials: true
      max_age: 3600
      preflight_continue: false

  #-----------------------------------------------------------------------------
  # Request Transformer - 添加请求头
  #-----------------------------------------------------------------------------
  # - name: request-transformer
  #   config:
  #     add:
  #       headers:
  #         - X-Kong-Proxy: "true"

  #-----------------------------------------------------------------------------
  # Rate Limiting - 请求限流 (可选)
  #-----------------------------------------------------------------------------
  # - name: rate-limiting
  #   config:
  #     minute: 100
  #     hour: 1000
  #     policy: local
  #     fault_tolerant: true
  #     hide_client_headers: false

  #-----------------------------------------------------------------------------
  # Request Size Limiting - 请求大小限制
  #-----------------------------------------------------------------------------
  # - name: request-size-limiting
  #   config:
  #     allowed_payload_size: 10
  #     size_unit: megabytes

#===============================================================================
# 消费者配置 (用于认证)
#===============================================================================

# consumers:
#   - username: web-client
#     keyauth_credentials:
#       - key: your-api-key-here

#   - username: admin-client
#     keyauth_credentials:
#       - key: your-admin-api-key-here