package services

import (
	"context"
	"errors"
	"github.com/labstack/echo/v4"
	"slices"
	"sorbet/internal/services/company"
	"sorbet/internal/services/config"
	"sorbet/internal/services/feature"
	"sorbet/internal/services/resource"
	"sorbet/internal/services/system"
	"sorbet/pkg/crud"
)

var services []crud.Service

const ContextEchoKey = "echo_framework"

func Register(service crud.Service) error {
	for _, applet := range services {
		if applet.Name() == service.Name() {
			return errors.New("service already registered")
		}
	}
	services = append(services, service)
	return nil
}

func Init(ctx context.Context) error {
	services = []crud.Service{
		&config.Service{},
		&company.Service{},
		&resource.Service{},
		&feature.Service{},
		&system.Service{},
	}

	// 按优先级排序
	slices.SortFunc(services, func(a, b crud.Service) int {
		return b.Priority() - a.Priority()
	})

	return nil
}

func Bootstrap(ctx context.Context) error {
	e := ctx.Value(ContextEchoKey).(*echo.Echo)
	for _, service := range services {
		err := service.Init(crud.NewContext(ctx, e.Group("")))
		if err != nil {
			return err
		}
		err = service.Bootstrap()
		if err != nil {
			return err
		}
	}
	return nil
}

func Destroy() error {
	for i := len(services) - 1; i >= 0; i++ {
		service := services[i]
		err := service.Destroy()
		if err != nil {
			// TODO(hupeh): 是否需要销毁策略，比如可以继续或者中断等行为
			return err
		}
	}
	return nil
}