package controller

import (
	"fmt"
	"git.cestong.com.cn/cecf/cecf-golib/pkg/apollo"
	"git.cestong.com.cn/cecf/cecf-golib/pkg/errors"
	gin2 "git.cestong.com.cn/cecf/cecf-golib/pkg/gin"
	"git.cestong.com.cn/cecf/config-center-server/pkg/model"
	"github.com/gin-gonic/gin"
	"github.com/go-playground/validator/v10"
	"gorm.io/gorm"
)

type ConfigFileController struct {
	db        *gorm.DB
	val       *validator.Validate
	apolloCli *apollo.HTTPClient
}

func NewConfigFileController(db *gorm.DB, val *validator.Validate, apolloCli *apollo.HTTPClient) *ConfigFileController {
	return &ConfigFileController{db: db, val: val, apolloCli: apolloCli}
}

type ConfigFileReqVO struct {
	Name        string `json:"name" validate:"min=1"`
	Desc        string `json:"desc"`
	Format      string `json:"format" validate:"oneof=ini"`
	DefaultPath string `json:"defaultPath" validate:"min=1"`
}

func (cf *ConfigFileController) Create(c *gin.Context) (interface{}, error) {
	// req
	appIDStr := c.Param("appID")
	var req ConfigFileReqVO
	if errBind := c.ShouldBindJSON(&req); errBind != nil {
		return nil, errors.ErrBadRequest
	}
	if errVal := cf.val.Struct(&req); errVal != nil {
		return nil, errors.ErrBadRequest
	}
	// apollo req build
	apolloID := appIDStr
	apolloNamespace := fmt.Sprintf("%s.%s", req.Name, "properties")
	// filters
	{
		var sameNameCount int64
		if errCount := cf.db.Model(&model.ConfigFileModel{}).
			Where("apollo_app_id=? and apollo_namespace=?", apolloID, apolloNamespace).
			Count(&sameNameCount).Error; errCount != nil {
			return nil, errCount
		}
		if sameNameCount > 0 {
			return nil, errors.Wrap(errors.ErrBadRequest, "名称(%s)重复", req.Name)
		}
	}
	// get app model from db
	var appModel model.AppModel
	{
		if errGetAppModel := cf.db.First(&appModel, "apollo_app_id=?", appIDStr).Error; errGetAppModel != nil {
			if errGetAppModel == gorm.ErrRecordNotFound {
				return nil, errors.Wrap(errors.ErrBadRequest, "appID(%s)未找到")
			}
			return nil, errGetAppModel
		}
	}
	// apollo create
	if errCreateApollo := cf.apolloCli.CreateNameSpace(apolloID, req.Name); errCreateApollo != nil {
		return nil, errCreateApollo
	}
	var m model.ConfigFileModel
	m.AppModelID = appModel.ID
	m.ApolloAppID = appIDStr
	m.Name = req.Name
	m.Format = req.Format
	m.Desc = req.Desc
	m.ApolloNamespace = apolloNamespace
	m.DefaultPath = req.DefaultPath
	// save to db
	if errCreate := cf.db.Create(&m).Error; errCreate != nil {
		return nil, errCreate
	}
	// resp
	return gin2.SuccessGeneralVO(), nil
}