package bootstrap

import (
	"os"
	"strings"
	"time"
)

func applyConfigEnvOverrides(cfg *Config) {
	if v := os.Getenv("SPARK_ENV"); v != "" {
		cfg.Env = v
	}
	cfg.Env = parseEnv(cfg.Env)
	if v := os.Getenv("SPARK_JWT_SECRET"); v != "" {
		cfg.JWT.Secret = v
	}
	if v := os.Getenv("SPARK_ADMIN_JWT_SECRET"); v != "" {
		cfg.Admin.JWTSecret = v
	}
	if v := os.Getenv("SPARK_REDIS_PASSWORD"); v != "" {
		cfg.Redis.Password = v
	}
	if v := os.Getenv("SPARK_S3_ENDPOINT"); v != "" {
		cfg.ObjectStorage.Endpoint = v
	}
	if v := os.Getenv("SPARK_S3_PUBLIC_ENDPOINT"); v != "" {
		cfg.ObjectStorage.PublicEndpoint = v
	}
	if v := os.Getenv("SPARK_S3_ACCESS_KEY"); v != "" {
		cfg.ObjectStorage.AccessKey = v
	}
	if v := os.Getenv("SPARK_S3_SECRET_KEY"); v != "" {
		cfg.ObjectStorage.SecretKey = v
	}
	if v := os.Getenv("SPARK_S3_BUCKET"); v != "" {
		cfg.ObjectStorage.Bucket = v
	}
	if v := os.Getenv("SPARK_SMTP_PASSWORD"); v != "" {
		cfg.SMS.SMTP.Password = v
	}
	if v := os.Getenv("SPARK_ALIYUN_SMS_ACCESS_KEY_ID"); v != "" {
		cfg.SMS.AliyunSMS.AccessKeyID = v
	}
	if v := os.Getenv("SPARK_ALIYUN_SMS_ACCESS_KEY_SECRET"); v != "" {
		cfg.SMS.AliyunSMS.AccessKeySecret = v
	}
}

func applyConfigStructDefaults(cfg *Config) {
	if strings.TrimSpace(cfg.Admin.JWTSecret) == "" {
		cfg.Admin.JWTSecret = "wyrs-admin-jwt-secret-change-in-production-2025"
	}
	if cfg.JWT.Issuer == "" {
		cfg.JWT.Issuer = "spark-im"
	}
	if cfg.JWT.TTL <= 0 {
		cfg.JWT.TTL = 7 * 24 * time.Hour
	}
	if cfg.JWT.RefreshTTL <= 0 {
		cfg.JWT.RefreshTTL = 30 * 24 * time.Hour
	}
	if cfg.JWT.DenylistPrefix == "" {
		cfg.JWT.DenylistPrefix = "denylist:"
	}
	if cfg.JWT.RefreshPrefix == "" {
		cfg.JWT.RefreshPrefix = "refresh:"
	}
	if strings.TrimSpace(cfg.JWT.PairKeyMode) == "" {
		cfg.JWT.PairKeyMode = "triple"
	}
	if cfg.Redis.DeliverQueueKey == "" {
		cfg.Redis.DeliverQueueKey = "deliver:queue"
	}
	if cfg.Redis.DeliverProcessingKey == "" {
		cfg.Redis.DeliverProcessingKey = "deliver:processing"
	}
	if cfg.Redis.DeliverDonePrefix == "" {
		cfg.Redis.DeliverDonePrefix = "deliver:done:"
	}
	if cfg.Deliver.Workers < 1 {
		cfg.Deliver.Workers = 8
	}
	if cfg.Deliver.TakeTimeout <= 0 {
		cfg.Deliver.TakeTimeout = 5 * time.Second
	}
	if cfg.Deliver.DoneTTL <= 0 {
		cfg.Deliver.DoneTTL = 10 * time.Minute
	}
	if cfg.RateLimit.AuthPerSecond < 1 {
		cfg.RateLimit.AuthPerSecond = 5
	}
	if cfg.RateLimit.MessagePerSecond < 1 {
		cfg.RateLimit.MessagePerSecond = 20
	}
	if cfg.ObjectStorage.Bucket == "" {
		cfg.ObjectStorage.Bucket = "spark"
	}
	if cfg.ObjectStorage.Region == "" {
		cfg.ObjectStorage.Region = "us-east-1"
	}
	if cfg.ObjectStorage.PresignTTL <= 0 {
		cfg.ObjectStorage.PresignTTL = 15 * time.Minute
	}
	if cfg.ObjectStorage.ChatExpireDays < 1 {
		cfg.ObjectStorage.ChatExpireDays = 365
	}
	if cfg.RateLimit.UploadPerSecond < 1 {
		cfg.RateLimit.UploadPerSecond = 10
	}
	applyMediaDefaults(&cfg.Media)
	if cfg.SquareBot.Interval <= 0 {
		cfg.SquareBot.Interval = 5 * time.Minute
	}
	if cfg.SquareBot.TTL <= 0 {
		cfg.SquareBot.TTL = 15 * 24 * time.Hour
	}
}