package controller

import (
	"github.com/gin-gonic/gin"

	"filestoragesystem/internal/middleware"
	"filestoragesystem/internal/utils"
)

// ProjectController 项目控制器
type ProjectController struct {
	*Base
}

// NewProjectController 创建项目控制器
func NewProjectController(b *Base) *ProjectController { return &ProjectController{Base: b} }

type createProjectReq struct {
	Name         string `json:"name" binding:"required"`
	Description  string `json:"description"`
	StorageLimit int64  `json:"storage_limit"` // 0使用默认
}

// Create 创建项目
func (ctl *ProjectController) Create(c *gin.Context) {
	var req createProjectReq
	if !bindJSON(c, &req) {
		return
	}
	userID := middleware.CurrentUserID(c)
	p, err := ctl.svc.Project.Create(userID, req.Name, req.Description, req.StorageLimit)
	if err != nil {
		ctl.svc.RecordOpLog(ctl.opCtx(c), "create", "project", 0, req.Name, false, err.Error())
		utils.FailMsg(c, err.Error())
		return
	}
	ctl.svc.RecordOpLog(ctl.opCtx(c), "create", "project", p.ID, p.Name, true, "")
	utils.OK(c, p)
}

// List 项目列表
func (ctl *ProjectController) List(c *gin.Context) {
	userID := middleware.CurrentUserID(c)
	page, pageSize := utils.ParsePage(c)
	all := c.Query("all") == "true" && middleware.IsAdmin(c)
	projects, total, err := ctl.svc.Project.List(userID, c.Query("keyword"), all, page, pageSize)
	if err != nil {
		utils.ServerError(c, err.Error())
		return
	}
	utils.OKPage(c, projects, total, page, pageSize)
}

// Get 项目详情
func (ctl *ProjectController) Get(c *gin.Context) {
	id, ok := paramID(c)
	if !ok {
		return
	}
	userID := middleware.CurrentUserID(c)
	p, err := ctl.svc.Project.Get(userID, id, middleware.IsAdmin(c))
	if err != nil {
		utils.FailMsg(c, err.Error())
		return
	}
	utils.OK(c, p)
}

type updateProjectReq struct {
	Name         string `json:"name"`
	Description  string `json:"description"`
	StorageLimit int64  `json:"storage_limit"`
}

// Update 更新项目
func (ctl *ProjectController) Update(c *gin.Context) {
	id, ok := paramID(c)
	if !ok {
		return
	}
	var req updateProjectReq
	if !bindJSON(c, &req) {
		return
	}
	userID := middleware.CurrentUserID(c)
	p, err := ctl.svc.Project.Update(userID, id, middleware.IsAdmin(c), req.Name, req.Description, req.StorageLimit)
	if err != nil {
		utils.FailMsg(c, err.Error())
		return
	}
	ctl.svc.RecordOpLog(ctl.opCtx(c), "update", "project", id, p.Name, true, "")
	utils.OK(c, p)
}

// Delete 删除项目
func (ctl *ProjectController) Delete(c *gin.Context) {
	id, ok := paramID(c)
	if !ok {
		return
	}
	userID := middleware.CurrentUserID(c)
	p, _ := ctl.svc.Project.Get(userID, id, middleware.IsAdmin(c))
	if err := ctl.svc.Project.Delete(userID, id, middleware.IsAdmin(c)); err != nil {
		utils.FailMsg(c, err.Error())
		return
	}
	name := ""
	if p != nil {
		name = p.Name
	}
	ctl.svc.RecordOpLog(ctl.opCtx(c), "delete", "project", id, name, true, "")
	utils.OKMsg(c, "项目已删除")
}