package handler

import (
	"fmt"
	"net/http"

	"github.com/gin-gonic/gin"

	"spider/internal/store"
	"spider/internal/task"
)

// SetupRouter builds and returns the Gin engine with all routes registered.
func SetupRouter(s *store.Store, taskMgr *task.Manager) *gin.Engine {
	r := gin.Default()

	r.GET("/ping", func(c *gin.Context) {
		c.JSON(http.StatusOK, gin.H{"message": "pong"})
	})

	api := r.Group("/api/v1")

	// Keywords (unified: search keywords + seeds)
	kw := &KeywordHandler{store: s}
	api.GET("/keywords", kw.List)
	api.POST("/keywords", kw.Create)
	api.PUT("/keywords/:id", kw.Update)
	api.DELETE("/keywords/:id", kw.Delete)

	// Merchants
	mc := &MerchantHandler{store: s}
	api.GET("/merchants/stats", mc.Stats)
	api.GET("/merchants/raw", mc.ListRaw)
	api.GET("/merchants/clean", mc.ListClean)
	api.GET("/merchants/clean/export", mc.ExportCSV)
	api.GET("/merchants/:id", mc.GetByID)

	// Tasks
	th := &TaskHandler{store: s, taskMgr: taskMgr}
	api.GET("/tasks", th.List)
	api.POST("/tasks/start", th.Start)
	api.GET("/tasks/:id", th.Get)
	api.POST("/tasks/:id/stop", th.Stop)
	api.GET("/tasks/:id/logs", th.Logs)

	return r
}

// ServerAddr returns the listen address string for the given port.
func ServerAddr(port int) string {
	return fmt.Sprintf(":%d", port)
}