package api

import (
	"eai_agentplatform/backend/internal/config"
	"eai_agentplatform/backend/internal/web"

	"github.com/gin-gonic/gin"
)

// routeItem 路由摘要（返回给前端选择器）
type routeItem struct {
	ID          string `json:"id"`
	Provider    string `json:"provider"`
	Model       string `json:"model"`
	BaseURL     string `json:"base_url"`
	Description string `json:"description"`
}

func toRouteItems(routes []*config.RouteConfig) []routeItem {
	items := make([]routeItem, 0, len(routes))
	for _, r := range routes {
		items = append(items, routeItem{
			ID:          r.RouteID,
			Provider:    r.Provider,
			Model:       r.Model,
			BaseURL:     r.BaseURL,
			Description: r.Description,
		})
	}
	return items
}

// ListChatRoutes 返回可用 chat 路由列表（供前端选择器使用）
func ListChatRoutes(c *gin.Context) {
	routes, err := config.GetRoutesByCategory("chat")
	if err != nil {
		web.Fail(c, web.NewLLMNotConfigured("路由加载失败: "+err.Error()))
		return
	}
	web.OK(c, gin.H{"routes": toRouteItems(routes)})
}

// ListEmbedRoutes 返回可用 embedding 路由列表
func ListEmbedRoutes(c *gin.Context) {
	routes, err := config.GetRoutesByCategory("embed")
	if err != nil {
		web.Fail(c, web.NewLLMNotConfigured("路由加载失败: "+err.Error()))
		return
	}
	web.OK(c, gin.H{"routes": toRouteItems(routes)})
}