package controllers

import (
	"bytes"
	"encoding/json"
	"fmt"
	"net/http"
	"time"

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

// Struktur Data Timer
type AutoTimer struct {
	IsActive bool   `json:"is_active"`
	OffTime  string `json:"off_time"`
	OnTime   string `json:"on_time"`
}

// Disimpan di RAM sementara agar cepat (reset saat server mati)
var AppTimer = AutoTimer{IsActive: false, OffTime: "22:00", OnTime: "05:00"}

// API: Ambil Pengaturan Timer
func GetTimerConfig(c *gin.Context) {
	c.JSON(http.StatusOK, AppTimer)
}

// API: Simpan Pengaturan Timer
func SetTimerConfig(c *gin.Context) {
	if err := c.ShouldBindJSON(&AppTimer); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": "Data tidak valid"})
		return
	}
	c.JSON(http.StatusOK, gin.H{"message": "Jadwal Auto-Cutoff berhasil disimpan", "data": AppTimer})
}

// MESIN CRON: Berjalan di latar belakang mengecek jam setiap menit
func StartPowerCronWorker() {
	go func() {
		ticker := time.NewTicker(1 * time.Minute)
		for range ticker.C {
			if !AppTimer.IsActive {
				continue
			}

			loc, _ := time.LoadLocation("Asia/Jakarta")
			now := time.Now().In(loc).Format("15:04") // Format 24 Jam (HH:MM)

			if now == AppTimer.OffTime {
				fmt.Println("🕰️ [TIMER] Waktunya OFF! Memutus daya...")
				triggerGlobalPower("off")
			} else if now == AppTimer.OnTime {
				fmt.Println("🕰️ [TIMER] Waktunya ON! Menyalakan daya...")
				triggerGlobalPower("on")
			}
		}
	}()
}

// Helper untuk menembak API Global Power yang sudah kamu miliki
func triggerGlobalPower(action string) {
	payload := map[string]string{"action": action}
	jsonPayload, _ := json.Marshal(payload)
	// Memanggil API lokal kita sendiri
	http.Post("http://127.0.0.1:8080/api/power/global", "application/json", bytes.NewBuffer(jsonPayload))
}