package app

import (
	"fmt"
	"git.hlsq.asia/mmorpg/service-common/discover"
	"git.hlsq.asia/mmorpg/service-common/discover/common"
	"git.hlsq.asia/mmorpg/service-common/log"
	"git.hlsq.asia/mmorpg/service-common/module"
	"git.hlsq.asia/mmorpg/service-gateway/config"
	"github.com/judwhite/go-svc"
)

type Program struct {
	moduleList []module.Module // 模块列表
}

func (p *Program) Init(_ svc.Environment) error {
	base := &ModuleBase{}
	if err := base.Init(); err != nil {
		return err
	}
	p.moduleList = append(p.moduleList, base)
	p.moduleList = append(p.moduleList, (&module.DB{}).Bind(config.Get().DB))
	p.moduleList = append(p.moduleList, &ModulePrometheus{})
	p.moduleList = append(p.moduleList, &ModuleWebServer{})
	p.moduleList = append(p.moduleList, &ModuleWebsocketServer{})
	p.moduleList = append(p.moduleList, &ModuleGrpcServer{})
	p.moduleList = append(p.moduleList, &ModuleLoginQueue{})
	p.moduleList = append(p.moduleList, (&module.Tracer{}).Bind(config.Get().Metric, common.KeyDiscoverServiceNameGateway))

	for i, m := range p.moduleList {
		if i == 0 {
			continue
		}
		if err := m.Init(); err != nil {
			return err
		}
	}
	log.Infof(fmt.Sprintf("%v Init successful...", config.Get().App.Name))
	return nil
}

func (p *Program) Start() error {
	for _, m := range p.moduleList {
		if err := m.Start(); err != nil {
			return err
		}
	}
	discover.Listen()

	log.Infof(fmt.Sprintf("%v Start successful...", config.Get().App.Name))
	return nil
}

func (p *Program) Stop() error {
	discover.Close()
	for i := len(p.moduleList) - 1; i >= 0; i-- {
		m := p.moduleList[i]
		if err := m.Stop(); err != nil {
			log.Errorf("module stop error: %v", err)
		}
	}

	log.Infof(fmt.Sprintf("%v Stop successful...", config.Get().App.Name))
	return nil
}