package handler

import (
	"net/http"
	"os"
	"path/filepath"

	"github.com/gin-gonic/gin"
	"filecloud/internal/database"
	"filecloud/internal/model"
)

// @Summary Upload a file
// @Description Upload a file to the cloud storage
// @Tags files
// @Accept multipart/form-data
// @Produce json
// @Param file formData file true "File to upload"
// @Success 200 {object} model.File
// @Router /api/files [post]
func UploadFile(c *gin.Context) {
	file, err := c.FormFile("file")
	if err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	// Create public directory if it doesn't exist
	publicDir := filepath.Join("public", "uploads")
	if err := os.MkdirAll(publicDir, 0755); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	// Save the file
	filePath := filepath.Join(publicDir, file.Filename)
	if err := c.SaveUploadedFile(file, filePath); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	// Create file record in database
	fileRecord := model.File{
		Name: file.Filename,
		Path: filePath,
		Size: file.Size,
		Type: file.Header.Get("Content-Type"),
	}

	if err := database.DB.Create(&fileRecord).Error; err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, fileRecord)
}

// @Summary List all files
// @Description Get a list of all files in the cloud storage
// @Tags files
// @Produce json
// @Success 200 {array} model.File
// @Router /api/files [get]
func ListFiles(c *gin.Context) {
	var files []model.File
	if err := database.DB.Find(&files).Error; err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}
	c.JSON(http.StatusOK, files)
}