package httpapi

import (
	"errors"
	"log"
	"time"

	"github.com/gin-gonic/gin"

	"git.apinb.com/ops/license/internal/dashboard"
	"git.apinb.com/ops/license/internal/issuance"
	"git.apinb.com/ops/license/internal/subject"
)

func NewRouter(subjectService *subject.Service, issuanceService *issuance.Service, dashboardService *dashboard.Service) (*gin.Engine, error) {
	if subjectService == nil || issuanceService == nil || dashboardService == nil {
		return nil, errors.New("HTTP API 依赖不能为空")
	}

	router := gin.New()
	router.Use(gin.Recovery(), routeLogger())

	subjects := subjectHandler{service: subjectService}
	licences := issuanceHandler{service: issuanceService, subjectService: subjectService}
	dashboardHandler := dashboardHandler{service: dashboardService}

	api := router.Group("/api/v1")
	api.GET("/dashboard", dashboardHandler.get)
	api.GET("/subjects", subjects.list)
	api.POST("/subjects", subjects.create)
	api.GET("/subjects/:id", subjects.get)
	api.PUT("/subjects/:id", subjects.update)
	api.DELETE("/subjects/:id", subjects.delete)
	api.POST("/subjects/:id/licences", licences.issue)
	api.GET("/licences", licences.list)
	api.GET("/licences/:id", licences.get)
	api.GET("/licences/:id/download", licences.download)
	api.POST("/licences/:id/renew", licences.renew)
	return router, nil
}

func routeLogger() gin.HandlerFunc {
	return func(c *gin.Context) {
		startedAt := time.Now()
		c.Next()
		route := c.FullPath()
		if route == "" {
			route = c.Request.URL.Path
		}
		log.Printf("HTTP route=%s status=%d duration=%s", route, c.Writer.Status(), time.Since(startedAt).Round(time.Millisecond))
	}
}