package common

import (
	"context"
	"encoding/json"

	"github.com/perfect-panel/server/internal/model/client"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/internal/types"
	"github.com/perfect-panel/server/pkg/logger"
)

type GetAppVersionLogic struct {
	logger.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// NewGetAppVersionLogic 获取 App 版本信息
func NewGetAppVersionLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetAppVersionLogic {
	return &GetAppVersionLogic{
		Logger: logger.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

// GetAppVersion 根据平台返回最新版本信息
func (l *GetAppVersionLogic) GetAppVersion(req *types.GetAppVersionRequest) (resp *types.ApplicationVersion, err error) {
	// Query the latest version for the platform
	var version client.ApplicationVersion
	err = l.svcCtx.DB.Model(&client.ApplicationVersion{}).
		Where("platform = ? AND is_default = 1", req.Platform).
		Order("id desc").First(&version).Error

	if err != nil {
		l.Errorf("[GetAppVersion] get version error: %v", err)
		// Return empty or default if not found
		return &types.ApplicationVersion{
			Version:     "unknown",
			MinVersion:  "unknown",
			ForceUpdate: false,
			Description: map[string]string{},
			IsDefault:   false,
		}, nil
	}

	resp = &types.ApplicationVersion{
		Id:          version.Id,
		Platform:    version.Platform,
		Version:     version.Version,
		MinVersion:  version.MinVersion,
		ForceUpdate: version.ForceUpdate,
		Description: make(map[string]string),
		Url:         version.Url,
		IsDefault:   version.IsDefault,
		IsInReview:  version.IsInReview,
		CreatedAt:   version.CreatedAt.Unix(),
	}
	_ = json.Unmarshal(version.Description, &resp.Description)

	return resp, nil
}