package main

import (
	"context"
	"os"

	"DanceLessonsCoach/pkg/config"
	"DanceLessonsCoach/pkg/server"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
)

func main() {
	// Initialize Zerolog with default console format first
	zerolog.SetGlobalLevel(zerolog.TraceLevel)
	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
	consoleWriter := zerolog.ConsoleWriter{Out: os.Stderr}

	// Check if JSON logging is requested via environment variable
	// This allows JSON logging even during config loading
	jsonLogging := os.Getenv("DLC_LOGGING_JSON") == "true"

	if jsonLogging {
		// JSON output for structured logging
		log.Logger = log.Output(os.Stderr)
	} else {
		// Console output for initial logging
		log.Logger = log.Output(consoleWriter)
	}

	// Load configuration
	cfg, err := config.LoadConfig()
	if err != nil {
		log.Fatal().Err(err).Msg("Failed to load configuration")
	}

	// Reconfigure logging based on loaded configuration (overrides env var)
	if cfg.Logging.JSON {
		// JSON output for structured logging
		log.Logger = log.Output(os.Stderr)
	} else {
		// Keep console output
		log.Logger = log.Output(consoleWriter)
	}

	log.Info().Bool("json_logging", cfg.Logging.JSON).Msg("Logging configured")

	// Create readiness context to control readiness state
	readyCtx, readyCancel := context.WithCancel(context.Background())
	defer readyCancel()

	// Create and run server
	server := server.NewServer(cfg, readyCtx)
	if err := server.Run(); err != nil {
		log.Fatal().Err(err).Msg("Server failed")
	}
}