/*
Copyright 2021 The KodeRover Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package handler

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"strconv"

	"github.com/gin-gonic/gin"

	"github.com/qiniu/x/log.v7"

	commonmodels "github.com/koderover/zadig/lib/microservice/aslan/core/common/dao/models"
	commonservice "github.com/koderover/zadig/lib/microservice/aslan/core/common/service"
	svcservice "github.com/koderover/zadig/lib/microservice/aslan/core/service/service"
	internalhandler "github.com/koderover/zadig/lib/microservice/aslan/internal/handler"
	"github.com/koderover/zadig/lib/setting"
	e "github.com/koderover/zadig/lib/tool/errors"
	"github.com/koderover/zadig/lib/types/permission"
)

func ListServiceTemplate(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	var tmpResp *commonservice.ServiceTmplResp
	tmpResp, ctx.Err = commonservice.ListServiceTemplate(c.Query("productName"), ctx.Logger)

	// 如果是数据统计页面的请求，则需要将托管环境的服务也返回
	if c.Query("requestFrom") == "stat" {
		svcservice.ListServicesInExtenalEnv(tmpResp, ctx.Logger)
	}
	ctx.Resp = tmpResp
}

func GetServiceTemplate(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()
	revision, err := strconv.ParseInt(c.DefaultQuery("revision", "0"), 10, 64)
	if err != nil {
		ctx.Err = e.ErrInvalidParam.AddDesc("invalid revision number")
		return
	}
	ctx.Resp, ctx.Err = commonservice.GetServiceTemplate(c.Param("name"), c.Param("type"), c.Query("productName"), setting.ProductStatusDeleting, revision, ctx.Logger)
}

func GetServiceTemplateOption(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()
	revision, err := strconv.ParseInt(c.DefaultQuery("revision", "0"), 10, 64)
	if err != nil {
		ctx.Err = e.ErrInvalidParam.AddDesc("invalid revision number")
		return
	}
	ctx.Resp, ctx.Err = svcservice.GetServiceTemplateOption(c.Param("name"), c.Query("productName"), revision, ctx.Logger)
}

func CreateServiceTemplate(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	args := new(commonmodels.Service)
	data, err := c.GetRawData()
	if err != nil {
		log.Errorf("CreateServiceTemplate c.GetRawData() err : %v", err)
	}
	if err = json.Unmarshal(data, args); err != nil {
		log.Errorf("CreateServiceTemplate json.Unmarshal err : %v", err)
	}
	internalhandler.InsertOperationLog(c, ctx.Username, args.ProductName, "新增", "工程管理-服务", fmt.Sprintf("服务名称:%s,版本号:%d", args.ServiceName, args.Revision), permission.ServiceTemplateManageUUID, string(data), ctx.Logger)
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(data))

	if err := c.BindJSON(args); err != nil {
		ctx.Err = e.ErrInvalidParam.AddDesc("invalid ServiceTmpl json args")
		return
	}
	args.CreateBy = ctx.Username

	ctx.Resp, ctx.Err = svcservice.CreateServiceTemplate(ctx.Username, args, ctx.Logger)
}

func UpdateServiceTemplate(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	args := new(commonservice.ServiceTmplObject)
	data, err := c.GetRawData()
	if err != nil {
		log.Errorf("UpdateServiceTemplate c.GetRawData() err : %v", err)
	}
	if err = json.Unmarshal(data, args); err != nil {
		log.Errorf("UpdateServiceTemplate json.Unmarshal err : %v", err)
	}
	if args.Username != "system" {
		internalhandler.InsertOperationLog(c, ctx.Username, args.ProductName, "更新", "工程管理-服务", fmt.Sprintf("服务名称:%s,版本号:%d", args.ServiceName, args.Revision), permission.ServiceTemplateManageUUID, "", ctx.Logger)
	}
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(data))
	args.Username = ctx.Username
	ctx.Err = svcservice.UpdateServiceTemplate(args)
}

type ValidatorResp struct {
	Message string `json:"message"`
}

func YamlValidator(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	args := new(svcservice.YamlValidatorReq)
	if err := c.BindJSON(args); err != nil {
		ctx.Err = e.ErrInvalidParam.AddDesc("invalid yaml args")
		return
	}
	resp := make([]*ValidatorResp, 0)
	errMsgList := svcservice.YamlValidator(args)
	for _, errMsg := range errMsgList {
		resp = append(resp, &ValidatorResp{Message: errMsg})
	}
	ctx.Resp = resp
}

func DeleteServiceTemplate(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	internalhandler.InsertOperationLog(c, ctx.Username, c.Query("productName"), "删除", "工程管理-服务", c.Param("name"), permission.ServiceTemplateDeleteUUID, "", ctx.Logger)

	ctx.Err = svcservice.DeleteServiceTemplate(c.Param("name"), c.Param("type"), c.Query("productName"), c.DefaultQuery("isEnvTemplate", "true"), c.DefaultQuery("visibility", "public"), ctx.Logger)
	return
}

func ListServicePort(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()
	revision, err := strconv.ParseInt(c.DefaultQuery("revision", "0"), 10, 64)
	if err != nil {
		ctx.Err = e.ErrInvalidParam.AddDesc("invalid revision number")
		return
	}
	ctx.Resp, ctx.Err = svcservice.ListServicePort(c.Param("name"), c.Param("type"), c.Query("productName"), setting.ProductStatusDeleting, revision, ctx.Logger)
}

func ListServiceTemplateNames(c *gin.Context) {
	ctx := internalhandler.NewContext(c)
	defer func() { internalhandler.JsonResponse(c, ctx) }()

	ctx.Resp, ctx.Err = svcservice.ListServiceTemplateNames(c.Query("productName"), ctx.Logger)
}

func GetServiceTemplateProductName(c *gin.Context) {
	args := new(commonmodels.Service)
	data, err := c.GetRawData()
	if err != nil {
		log.Errorf("c.GetRawData() err : %v", err)
		return
	}
	if err = json.Unmarshal(data, args); err != nil {
		log.Errorf("json.Unmarshal err : %v", err)
		return
	}
	c.Set("productName", args.ProductName)
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(data))
	c.Next()
}

func GetServiceTemplateObjectProductName(c *gin.Context) {
	args := new(commonservice.ServiceTmplObject)
	data, err := c.GetRawData()
	if err != nil {
		log.Errorf("c.GetRawData() err : %v", err)
		return
	}
	if err = json.Unmarshal(data, args); err != nil {
		log.Errorf("json.Unmarshal err : %v", err)
		return
	}
	c.Set("productName", args.ProductName)
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(data))
	c.Next()
}