package flow_instance

import (
	"approveflow/app/base"
	"approveflow/app/http/base/res"
	"approveflow/app/provider/flow_definition"
	"approveflow/app/provider/flow_instance"
	"approveflow/app/utils"
	"github.com/Superdanda/hade/framework/gin"
)

type InstancesCreateParam struct {
	FlowID       int64  `json:"flow_id"`
	ApplicantKey string `json:"applicant_key"` //申请人ID
	CreatorKey   string `json:"creator_key"`
	AssociateKey string `json:"associate_key"`
	TenantKey    string `json:"tenant_key"`
}

// InstancesCreate handler
// @Summary 创建流程实例
// @Description 通过流程模板创建流程实例
// @ID instances-create
// @Tags flow-instances
// @Accept json
// @Produce json
// @Param InstancesCreateParam body InstancesCreateParam true "创建参数"
// @Success 200 {object} base.Result "返回成功的流程定义数据"
// @Failure 500 {object} base.Result "返回失败的流程定义数据"
// @Router /instances/create [post]
func (api *FlowInstanceApi) InstancesCreate(c *gin.Context) {
	param := utils.QuickBind[InstancesCreateParam](c)
	instanceService := c.MustMake(flow_instance.FlowInstanceKey).(flow_instance.Service)
	definitionService := c.MustMake(flow_definition.FlowDefinitionKey).(flow_definition.Service)
	data := make(map[string]interface{})
	data[base.ApplicantKey] = param.ApplicantKey
	data[base.CreatorKey] = param.CreatorKey

	if param.AssociateKey != "" {
		data[base.AssociateKey] = param.AssociateKey
	}
	if param.TenantKey != "" {
		data[base.TenantKey] = param.TenantKey
	}
	flow, err := definitionService.GetFlow(c, param.FlowID)
	if err != nil {
		res.FailWithErr(c, err)
		return
	}
	_, err = instanceService.CreateInstance(c, flow, data)
	if err != nil {
		res.FailWithErr(c, err)
		return
	}
	res.Success(c)
}