package oa

import (
	"WiiCITMS/models/oa"
	"WiiGenerates/WiiCITMS/generates/v1/go/types"
	"WiiGoLibrary/apply/middle/process/v1"
	"WiiGoLibrary/framework/db/v1/utils/mssql/unique"
	"WiiGoLibrary/framework/hub/v1/dblib"
)

// CreateWorkflowRequest 创建工作流请求参数
type CreateWorkflowRequest struct {
	WorkflowName string `json:"workflowName"` // 工作流名称
	WorkflowType int    `json:"workflowType"` // 工作流类型
	Description  string `json:"description"`  // 工作流描述
	CreatorGuid  string `json:"creatorGuid"`  // 创建人GUID
}

// QueryWorkflowsRequest 查询工作流请求参数
type QueryWorkflowsRequest struct {
	WorkflowName string `json:"workflowName"` // 工作流名称，模糊查询
	WorkflowType int    `json:"workflowType"` // 工作流类型，-1表示所有类型
	IsActive     bool   `json:"isActive"`     // 是否只查询启用的工作流
	Limit        int    `json:"limit"`        // 分页参数，每页数量
	Offset       int    `json:"offset"`       // 分页参数，偏移量
}

// CreateWorkflow 创建工作流
func CreateWorkflow(params CreateWorkflowRequest) (*oa.WorkflowModel, *process.Process) {
	// 创建工作流
	workflow := oa.WorkflowInstance()
	workflow.WorkflowName = params.WorkflowName
	workflow.WorkflowType = int16(params.WorkflowType)
	workflow.Description = params.Description

	// 设置创建人
	if params.CreatorGuid != "" {
		creatorGuid, err := unique.FromString(params.CreatorGuid)
		if err == nil {
			workflow.Creator = creatorGuid
		}
	}

	// 保存工作流
	r := dblib.DBIns.DB.Create(workflow)
	if r.Error != nil {
		return nil, process.FailError(types.CreateWorkflowError, r.Error)
	}

	return workflow, process.Success(200)
}

// QueryWorkflows 查询工作流列表
func QueryWorkflows(params QueryWorkflowsRequest) ([]*oa.WorkflowModel, *process.Process) {
	result := make([]*oa.WorkflowModel, 0)
	db := dblib.DBIns.DB.Model(&oa.WorkflowModel{}).Where("(RecordStatus & 524288) = 0")

	// 按工作流名称筛选
	if params.WorkflowName != "" {
		db = db.Where("WorkflowName LIKE ?", "%"+params.WorkflowName+"%")
	}

	// 按工作流类型筛选
	if params.WorkflowType >= 0 {
		db = db.Where("WorkflowType = ?", params.WorkflowType)
	}

	// 按是否启用筛选
	if params.IsActive {
		db = db.Where("IsActive = 1")
	}

	// 分页查询
	limit := params.Limit
	if limit <= 0 {
		limit = 20 // 默认每页20条
	}
	offset := params.Offset
	if offset < 0 {
		offset = 0
	}

	r := db.Limit(limit).Offset(offset).Order("CreateTime DESC").Find(&result)
	if r.Error != nil {
		return result, process.FailError(types.QueryWorkflowError, r.Error)
	}

	return result, process.Success(200)
}

// GetWorkflowByID 根据ID获取工作流
func GetWorkflowByID(workflowGuid string) (*oa.WorkflowModel, *process.Process) {
	guid, err := unique.FromString(workflowGuid)
	if err != nil {
		return nil, process.FailError(types.InvalidWorkflowParamError, err)
	}

	workflow := &oa.WorkflowModel{}
	r := dblib.DBIns.DB.Where("RecordGuid = ? AND (RecordStatus & 524288) = 0", guid).First(workflow)
	if r.Error != nil {
		return nil, process.FailError(types.WorkflowNotFoundError, r.Error)
	}

	return workflow, process.Success(200)
}

// UpdateWorkflow 更新工作流
func UpdateWorkflow(workflowGuid string, params CreateWorkflowRequest) (*oa.WorkflowModel, *process.Process) {
	// 获取工作流
	workflow, proc := GetWorkflowByID(workflowGuid)
	if proc.IsError() {
		return nil, proc
	}

	// 更新工作流信息
	workflow.WorkflowName = params.WorkflowName
	workflow.WorkflowType = int16(params.WorkflowType)
	workflow.Description = params.Description

	// 保存更新
	r := dblib.DBIns.DB.Save(workflow)
	if r.Error != nil {
		return nil, process.FailError(types.UpdateWorkflowError, r.Error)
	}

	return workflow, process.Success(200)
}

// ToggleWorkflowStatus 启用/禁用工作流
func ToggleWorkflowStatus(workflowGuid string, isActive bool) (*oa.WorkflowModel, *process.Process) {
	// 获取工作流
	workflow, proc := GetWorkflowByID(workflowGuid)
	if proc.IsError() {
		return nil, proc
	}

	// 更新状态
	workflow.IsActive = isActive

	// 保存更新
	r := dblib.DBIns.DB.Save(workflow)
	if r.Error != nil {
		return nil, process.FailError(types.UpdateWorkflowError, r.Error)
	}

	return workflow, process.Success(200)
}