package controllers

import (
	"encoding/json"
	"server/models"

	beego "github.com/beego/beego/v2/server/web"
)

// PositionController 职位控制器
type PositionController struct {
	beego.Controller
}

// GetTenantPositions 获取租户下的所有职位
// @router /positions/tenant/:tenantId [get]
func (c *PositionController) GetTenantPositions() {
	tenantId, err := c.GetInt(":tenantId")
	if err != nil || tenantId <= 0 {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "租户ID无效",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	positions, err := models.GetTenantPositions(tenantId)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "获取职位列表失败: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	// 格式化返回数据
	posList := make([]map[string]interface{}, 0)
	for _, pos := range positions {
		posList = append(posList, map[string]interface{}{
			"id":           pos.Id,
			"tenant_id":    pos.TenantId,
			"name":         pos.Name,
			"code":         pos.Code,
			"department_id": pos.DepartmentId,
			"level":        pos.Level,
			"description":  pos.Description,
			"sort_order":   pos.SortOrder,
			"status":       pos.Status,
		})
	}

	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "获取职位列表成功",
		"data":    posList,
	}
	c.ServeJSON()
}

// GetPositionsByDepartment 根据部门ID获取职位列表
// @router /positions/department/:departmentId [get]
func (c *PositionController) GetPositionsByDepartment() {
	departmentId, err := c.GetInt(":departmentId")
	if err != nil || departmentId <= 0 {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "部门ID无效",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	positions, err := models.GetPositionsByDepartment(departmentId)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "获取职位列表失败: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	// 格式化返回数据
	posList := make([]map[string]interface{}, 0)
	for _, pos := range positions {
		posList = append(posList, map[string]interface{}{
			"id":           pos.Id,
			"tenant_id":    pos.TenantId,
			"name":         pos.Name,
			"code":         pos.Code,
			"department_id": pos.DepartmentId,
			"level":        pos.Level,
			"description":  pos.Description,
			"sort_order":   pos.SortOrder,
			"status":       pos.Status,
		})
	}

	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "获取职位列表成功",
		"data":    posList,
	}
	c.ServeJSON()
}

// GetPositionInfo 获取职位详情
// @router /positions/:id [get]
func (c *PositionController) GetPositionInfo() {
	id, err := c.GetInt(":id")
	if err != nil || id <= 0 {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "职位ID无效",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	position, err := models.GetPositionById(id)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "职位不存在",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "获取职位信息成功",
		"data": map[string]interface{}{
			"id":           position.Id,
			"tenant_id":    position.TenantId,
			"name":         position.Name,
			"code":         position.Code,
			"department_id": position.DepartmentId,
			"level":        position.Level,
			"description":  position.Description,
			"sort_order":   position.SortOrder,
			"status":       position.Status,
		},
	}
	c.ServeJSON()
}

// AddPosition 添加职位
// @router /positions [post]
func (c *PositionController) AddPosition() {
	var posData struct {
		TenantId     int    `json:"tenant_id"`
		Name         string `json:"name"`
		Code         string `json:"code"`
		DepartmentId int    `json:"department_id"`
		Level        int    `json:"level"`
		Description  string `json:"description"`
		SortOrder    int    `json:"sort_order"`
		Status       int8   `json:"status"`
	}

	err := json.Unmarshal(c.Ctx.Input.RequestBody, &posData)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "请求参数错误: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	position := &models.Position{
		TenantId:     posData.TenantId,
		Name:         posData.Name,
		Code:         posData.Code,
		DepartmentId: posData.DepartmentId,
		Level:        posData.Level,
		Description:  posData.Description,
		SortOrder:    posData.SortOrder,
		Status:       posData.Status,
	}

	if position.TenantId == 0 {
		position.TenantId = 1
	}

	id, err := models.AddPosition(position)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "添加职位失败: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	position.Id = int(id)
	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "添加职位成功",
		"data":    position,
	}
	c.ServeJSON()
}

// UpdatePosition 更新职位信息
// @router /positions/:id [put]
func (c *PositionController) UpdatePosition() {
	id, err := c.GetInt(":id")
	if err != nil || id <= 0 {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "职位ID无效",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	var updateData struct {
		Name         string `json:"name"`
		Code         string `json:"code"`
		DepartmentId int    `json:"department_id"`
		Level        int    `json:"level"`
		Description  string `json:"description"`
		SortOrder    int    `json:"sort_order"`
		Status       int8   `json:"status"`
	}

	err = json.Unmarshal(c.Ctx.Input.RequestBody, &updateData)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "请求参数错误: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	position, err := models.GetPositionById(id)
	if err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "职位不存在",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	position.Name = updateData.Name
	position.Code = updateData.Code
	position.DepartmentId = updateData.DepartmentId
	position.Level = updateData.Level
	position.Description = updateData.Description
	position.SortOrder = updateData.SortOrder
	position.Status = updateData.Status

	if err := models.UpdatePosition(position); err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "更新职位信息失败: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "更新职位信息成功",
		"data":    position,
	}
	c.ServeJSON()
}

// DeletePosition 删除职位
// @router /positions/:id [delete]
func (c *PositionController) DeletePosition() {
	id, err := c.GetInt(":id")
	if err != nil || id <= 0 {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "职位ID无效",
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	if err := models.DeletePosition(id); err != nil {
		c.Data["json"] = map[string]interface{}{
			"code":    1,
			"message": "删除职位失败: " + err.Error(),
			"data":    nil,
		}
		c.ServeJSON()
		return
	}

	c.Data["json"] = map[string]interface{}{
		"code":    0,
		"message": "删除职位成功",
		"data":    nil,
	}
	c.ServeJSON()
}