// Package handler — notify channel CRUD + per-channel test endpoint.
package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"

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

func listNotifyChannelsHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		rows, err := svc.NotifyChannels.List(c.Request.Context())
		if err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}
		if rows == nil {
			c.JSON(http.StatusOK, []struct{}{})
			return
		}
		c.JSON(http.StatusOK, rows)
	}
}

func createNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		var in service.ChannelInput
		if err := c.ShouldBindJSON(&in); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		row, err := svc.NotifyChannels.Create(c.Request.Context(), in)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, row)
	}
}

func updateNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		var in service.ChannelInput
		if err := c.ShouldBindJSON(&in); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		row, err := svc.NotifyChannels.Update(c.Request.Context(), c.Param("id"), in)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, row)
	}
}

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

func testNotifyChannelHandler(svc *service.Container) gin.HandlerFunc {
	return func(c *gin.Context) {
		if err := svc.NotifyChannels.Test(c.Request.Context(), c.Param("id")); err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
			return
		}
		c.JSON(http.StatusOK, gin.H{"message": "test sent"})
	}
}