// Package handler — user profile endpoints.
package handler

import (
	"errors"
	"net/http"

	"github.com/gin-gonic/gin"

	"github.com/ShukeBta/MediaStationGo/internal/middleware"
	"github.com/ShukeBta/MediaStationGo/internal/service"
)

func updateProfileHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		var patch service.ProfileUpdate
		if err := c.ShouldBindJSON(&patch); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		uid, _ := c.Get(middleware.CtxUserID)
		userID := uid.(string)
		if patch.HideAdult != nil {
			if err := svc.Auth.VerifyPassword(c.Request.Context(), userID, patch.Password); err != nil {
				c.JSON(http.StatusUnauthorized, gin.H{"error": "需要输入当前账号密码确认"})
				return
			}
		}
		u, err := svc.Profile.UpdateProfile(c.Request.Context(), userID, patch)
		if err != nil {
			if errors.Is(err, service.ErrUsernameTaken) {
				c.JSON(http.StatusConflict, gin.H{"error": "username already taken"})
				return
			}
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, u)
	}
}

type adminUpdateRoleReq struct {
	Role string `json:"role" binding:"required"`
}

func adminUpdateRoleHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		var req adminUpdateRoleReq
		if err := c.ShouldBindJSON(&req); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		u, err := svc.Profile.AdminUpdateRole(c.Request.Context(), c.Param("id"), req.Role)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, u)
	}
}