package main

import (
	"database/sql"
	"log"
	"net/http"
	"os"
	"server/internal/api"
	"server/internal/config"
	"server/internal/db"
	"server/internal/logging"
	"time"
)

func main() {
	cfg := config.Load()
	if cfg.YMTKeyDecryptKeyB64 != "" {
		os.Setenv("YMT_KEY_DECRYPT_KEY_B64", cfg.YMTKeyDecryptKeyB64)
	}
	_ = logging.Init("log")
	log.Println("connecting YMT MySQL:", cfg.YMTDB.Host+":"+cfg.YMTDB.Port, "db", cfg.YMTDB.Name, "user", cfg.YMTDB.User)
	log.Println("connecting Marketing MySQL:", cfg.MarketingDB.Host+":"+cfg.MarketingDB.Port, "db", cfg.MarketingDB.Name, "user", cfg.MarketingDB.User)
	log.Println("connecting Meta MySQL (templates/jobs):", cfg.YMTTestDB.Host+":"+cfg.YMTTestDB.Port, "db", cfg.YMTTestDB.Name, "user", cfg.YMTTestDB.User)
	if cfg.YMTDB.DSN() == "" {
		log.Fatal("YMT MySQL DSN missing: host, port, user, name required")
	}
	if cfg.MarketingDB.DSN() == "" {
		log.Fatal("Marketing MySQL DSN missing: host, port, user, name required")
	}
	if cfg.YMTTestDB.DSN() == "" {
		log.Fatal("Meta MySQL DSN missing: host, port, user, name required")
	}
	ymt, err := db.ConnectMySQL(cfg.YMTDB.DSN())
	if err != nil {
		log.Fatal(err)
	}
	// apply pool settings from env for YMT
	db.ApplyPoolFromEnv(ymt, "YMT_DB_")
	marketing, err := db.ConnectMySQL(cfg.MarketingDB.DSN())
	if err != nil {
		log.Fatal(err)
	}
	// apply pool settings from env for Marketing
	db.ApplyPoolFromEnv(marketing, "MARKETING_DB_")
	// Marketing Authorization DB for creators
	var marketingAuth *sql.DB
	if cfg.MarketingAuthorizationDB.DSN() != "" {
		marketingAuth, err = db.ConnectMySQL(cfg.MarketingAuthorizationDB.DSN())
		if err != nil {
			log.Fatal(err)
		}
		db.ApplyPoolFromEnv(marketingAuth, "MARKETING_AUTH_DB_")
		log.Println("connecting Marketing Authorization MySQL:", cfg.MarketingAuthorizationDB.Host+":"+cfg.MarketingAuthorizationDB.Port, "db", cfg.MarketingAuthorizationDB.Name)
	} else {
		marketingAuth = marketing // fallback
	}
	meta, err := db.ConnectMySQL(cfg.YMTTestDB.DSN())
	if err != nil {
		log.Fatal(err)
	}
	// apply pool settings from env for Meta (templates/jobs)
	db.ApplyPoolFromEnv(meta, "YMT_TEST_DB_")
	r := api.NewRouter(meta, marketing, marketingAuth, ymt)
	addr := ":" + func() string {
		s := cfg.Port
		if s == "" {
			return "8077"
		}
		return s
	}()
	srv := &http.Server{Addr: addr, Handler: r, ReadTimeout: 15 * time.Second, WriteTimeout: 60 * time.Second}
	log.Println("server listening on ", addr)
	log.Fatal(srv.ListenAndServe())
}

// buildDSN deprecated; use cfg.YMTDB.DSN()/cfg.MarketingDB.DSN()