package di

import (
	"cellbot/internal/config"
	"cellbot/internal/engine"
	"cellbot/internal/protocol"
	"cellbot/pkg/net"
	"go.uber.org/fx"
	"go.uber.org/zap"
)

// ProvideLogger 提供日志实例
func ProvideLogger(cfg *config.Config) (*zap.Logger, error) {
	return config.InitLogger(&cfg.Log)
}

// ProvideConfig 提供配置实例
func ProvideConfig() (*config.Config, error) {
	configManager := config.NewConfigManager("configs/config.toml", zap.NewNop())
	if err := configManager.Load(); err != nil {
		return nil, err
	}
	return configManager.Get(), nil
}

// ProvideConfigManager 提供配置管理器
func ProvideConfigManager(logger *zap.Logger) (*config.ConfigManager, error) {
	configManager := config.NewConfigManager("configs/config.toml", logger)
	if err := configManager.Load(); err != nil {
		return nil, err
	}
	// 启动配置文件监听
	if err := configManager.Watch(); err != nil {
		logger.Warn("Failed to watch config file", zap.Error(err))
	}
	return configManager, nil
}

// ProvideEventBus 提供事件总线
func ProvideEventBus(logger *zap.Logger) *engine.EventBus {
	return engine.NewEventBus(logger, 10000)
}

// ProvideDispatcher 提供事件分发器
func ProvideDispatcher(eventBus *engine.EventBus, logger *zap.Logger) *engine.Dispatcher {
	return engine.NewDispatcher(eventBus, logger)
}

// ProvideBotManager 提供机器人管理器
func ProvideBotManager(logger *zap.Logger) *protocol.BotManager {
	return protocol.NewBotManager(logger)
}

// ProvideServer 提供HTTP服务器
func ProvideServer(cfg *config.Config, logger *zap.Logger, botManager *protocol.BotManager, eventBus *engine.EventBus) *net.Server {
	return net.NewServer(cfg.Server.Host, cfg.Server.Port, logger, botManager, eventBus)
}

// Providers 依赖注入提供者列表
var Providers = fx.Options(
	fx.Provide(
		ProvideConfig,
		ProvideConfigManager,
		ProvideLogger,
		ProvideEventBus,
		ProvideDispatcher,
		ProvideBotManager,
		ProvideServer,
	),
)