package friend

import (
	"fmt"
	"net/http"

	"prime/user"

	. "prime/basic"

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

func init() {
	r := user.Authorized
	r.GET("applications", getApplicationsHandler)
	r.POST("application", postApplicationHandler)
	r.PATCH("application", patchApplicationHandler)
	r.GET("friends", getFriendsHandler)
}

func getFriendsHandler(c *gin.Context) {
	uid := c.MustGet("uid").(uint)
	friends, err := GetFriends(uid)
	fmt.Println(friends)
	if err == nil {
		c.JSON(http.StatusOK, gin.H{"friends": friends})
	} else {
		c.JSON(ErrCode(err), gin.H{"error": err.Error()})
	}
}

func getApplicationsHandler(c *gin.Context) {
	uid := c.MustGet("uid").(uint)
	apps, err := GetApplications(uid)
	if err == nil {
		c.JSON(http.StatusOK, gin.H{"apps": apps})
	} else {
		c.JSON(ErrCode(err), gin.H{"error": err.Error()})
	}
}

func postApplicationHandler(c *gin.Context) {
	uid := c.MustGet("uid").(uint)
	var form struct {
		Receiver uint   `json:"receiver" binding:"required"`
		Message  []byte `json:"message" binding:"required"`
	}
	if err := c.Bind(&form); err == nil {
		appID, err := ApplyFriend(uid, form.Receiver, form.Message)
		if err == nil {
			c.JSON(http.StatusOK, gin.H{"appid": appID})
		} else {
			c.JSON(ErrCode(err), gin.H{"error": err.Error()})
		}
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
	}
}

func patchApplicationHandler(c *gin.Context) {
	uid := c.MustGet("uid").(uint)
	fmt.Printf("uid=%d\n", uid)
	var form struct {
		AppID uint `json:"appid" binding:"required"`
		Reply int  `json:"reply" binding:"required"`
	}

	if err := c.Bind(&form); err == nil {
		fmt.Printf("%+v\n", form)
		err := ReplyApplication(uid, form.AppID, form.Reply > 0)
		if err == nil {
			c.JSON(http.StatusOK, gin.H{"status": "ok"})
		} else {
			c.JSON(ErrCode(err), gin.H{"error": err.Error()})
		}
	} else {
		// TODO: 发送reply为0则无法读取？？？
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		panic(err)
	}
}