// Package handler — admin endpoints (users / settings / logs).
package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"

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

func listUsersHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		users, err := svc.Repo.User.List(c.Request.Context())
		if err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, users)
	}
}

func deleteUserHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		if err := svc.Repo.User.Delete(c.Request.Context(), c.Param("id")); err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		c.Status(http.StatusNoContent)
	}
}

type settingReq struct {
	Key   string `json:"key" binding:"required"`
	Value string `json:"value"`
}

func listSettingsHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		settings, err := svc.Repo.Setting.All(c.Request.Context())
		if err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, settings)
	}
}

func updateSettingHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		var req settingReq
		if err := c.ShouldBindJSON(&req); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		if err := svc.Repo.Setting.Set(c.Request.Context(), req.Key, req.Value); err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		c.Status(http.StatusNoContent)
	}
}

func recentLogsHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		rows, err := svc.Repo.Log.Recent(c.Request.Context(), 200)
		if err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, rows)
	}
}