/*
 * Batch Download API List
 * /batchDownload/manage/list - GET
 * /batchDownload/manage/config - POST 创建新配置
 * /batchDownload/manage/description/{id} - POST 更新任务说明
 * /batchDownload/manage/config/{id} - DELETE 删除配置
 * /batchDownload/data/{id} - GET 获取指定ID的数据包下载地址
 */
package controllers

import (
	"fmt"
	"fwh-toolbox-server/domain"
	"fwh-toolbox-server/services"
	"strconv"

	"github.com/gofiber/fiber/v2"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"go.uber.org/zap"
)

// 获取批量数据下载管理表
// /batchDownload/manage/list
func GetBatchDownloadList(c *fiber.Ctx) error {
	pageInt, _ := strconv.Atoi(c.Query("pageNum", "1"))
	sizeInt, _ := strconv.Atoi(c.Query("pageSize", "20"))

	if pageInt <= 0 || sizeInt <= 0 {
		return Fail(c, "Invalid request para")
	}

	sn := c.Query("sn", "")
	progress := c.Query("progress", "")

	var p_sn *string = nil
	if sn != "" {
		p_sn = &sn
	}

	var p_progress *string = nil
	if progress != "" {
		p_progress = &progress
	}

	listPage, err := services.GetBatchDownloadManageList(uint(pageInt), uint(sizeInt), p_sn, p_progress)
	if err != nil {
		zap.L().Warn("Database read failed. (MongoDb)", zap.String("err", err.Error()))
		return Error(c, "Database read failed. (MongoDb)")
	}
	return Success(c, listPage)
}

// 创建一个批量数据下载管任务
// /batchDownload/manage/config
func CreateBatchDownload(c *fiber.Ctx) error {
	var body domain.BatchDownloadConfigWrite
	if err := c.BodyParser(&body); err != nil {
		zap.L().Warn("Invalid request body", zap.String("err", err.Error()))
		return Fail(c, "Invalid request body")
	}

	if err := services.InsertBatchDownloadConfig(body); err != nil {
		zap.L().Warn("Database write failed. (MongoDb)", zap.String("err", err.Error()))
		return Error(c, "Database write failed. (MongoDb)")
	}
	return Success(c, body)
}

// 更新一个批量数据下载说明
// /batchDownload/manage/description/:id
func UpdateBatchDownloadDescription(c *fiber.Ctx) error {
	id := c.Params("id")
	var body string
	if err := c.BodyParser(&body); err != nil {
		zap.L().Warn("Invalid request body", zap.String("err", err.Error()))
		return Fail(c, "Invalid request body")
	}

	objID, err := primitive.ObjectIDFromHex(id)
	if err != nil {
		zap.L().Warn("Invalid request para :id", zap.String("err", err.Error()))
		return Fail(c, "Invalid request para :id")
	}

	if err := services.UpdateBatchDownloadDescription(objID, body); err != nil {
		zap.L().Warn("Database write failed. (MongoDb)", zap.String("err", err.Error()))
		return Error(c, "Database write failed. (MongoDb)")
	}
	return Success(c, body)
}

// 删除一个批量数据下载数据
// /batchDownload/manage/config/:id
func DeleteBatchDownload(c *fiber.Ctx) error {
	id := c.Params("id")

	objID, err := primitive.ObjectIDFromHex(id)
	if err != nil {
		zap.L().Warn("Invalid request para :id", zap.String("err", err.Error()))
		return Fail(c, "Invalid request para :id")
	}

	err = services.DeleteBatchDownloadConfig(objID)
	if err != nil {
		zap.L().Warn("Database delete failed. (MongoDb)", zap.String("err", err.Error()))
		return Error(c, "Database delete failed. (MongoDb)")
	}
	return NoContent(c)
}

// 获取指定ID的批量数据下载数据包地址
// /batchDownload/data/:id
func GetBatchDownloadData(c *fiber.Ctx) error {
	id := c.Params("id")

	objID, err := primitive.ObjectIDFromHex(id)
	if err != nil {
		zap.L().Warn("Invalid request para :id", zap.String("err", err.Error()))
		return Fail(c, "Invalid request para :id")
	}

	c.Set("Content-Type", "application/zip")
	c.Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"BatchDownload_%s.zip\"", id))

	data, err := services.GetBatchDownloadData(objID)
	if err != nil {
		zap.L().Warn("Database read failed. (MongoDb)", zap.String("err", err.Error()))
		return Error(c, "Database read failed. (MongoDb)")
	}
	return Success(c, data)
}