const SparepartService = require("../services/sparepart.service");
const {
  setResponse,
  setResponsePaging,
  checkValidate,
} = require("../helpers/utils");

const ExcelJS = require("exceljs");

const {
  insertSparepartSchema,
  updateSparepartSchema,
} = require("../validate/sparepart.schema");

class SparepartController {
  static async getAll(req, res) {
    const queryParams = req.query;
    const results = await SparepartService.getAllSparepart(queryParams);
    const response = await setResponsePaging(
      queryParams,
      results,
      "Sparepart found"
    );
    res.status(response.statusCode).json(response);
  }

  static async getById(req, res) {
    const { id } = req.params;
    const results = await SparepartService.getSparepartById(id);
    const response = await setResponse(results, "Sparepart found");
    res.status(response.statusCode).json(response);
  }

  static async create(req, res) {
    const { error, value } = await checkValidate(insertSparepartSchema, req);
    if (error) {
      return res.status(400).json(setResponse(error, "Validation failed", 400));
    }
    try {
      if (req.file) {
        const file = req.file;
        const ext = require("path").extname(file.originalname).toLowerCase();
        const typeDoc = ext === ".pdf" ? "PDF" : "IMAGE";
        const folder = typeDoc === "PDF" ? "pdf" : "images";
        const pathDocument = `${folder}/${file.filename}`;
        value.sparepart_foto = pathDocument;
      }
      value.userId = req.user.user_id;
      const results = await SparepartService.createSparepart(value);
      const response = await setResponse(
        results,
        "Sparepart created successfully"
      );
      return res.status(response.statusCode).json(response);
    } catch (err) {
      const response = setResponse([], err.message, err.statusCode || 500);
      res.status(response.statusCode).json(response);
    }
  }

  static async update(req, res) {
    const { id } = req.params;
    const { error, value } = await checkValidate(updateSparepartSchema, req);
    if (error) {
      return res.status(400).json(setResponse(error, "Validation failed", 400));
    }
    try {
      if (req.file) {
        const file = req.file;
        const ext = require("path").extname(file.originalname).toLowerCase();
        const typeDoc = ext === ".pdf" ? "PDF" : "IMAGE";
        const folder = typeDoc === "PDF" ? "pdf" : "images";
        const pathDocument = `${folder}/${file.filename}`;
        value.sparepart_foto = pathDocument;
      }
      value.userId = req.user.user_id;
      const results = await SparepartService.updateSparepart(id, value);
      const response = await setResponse(
        results,
        "Sparepart updated successfully"
      );
      res.status(response.statusCode).json(response);
    } catch (err) {
      const response = setResponse([], err.message, err.statusCode || 500);
      res.status(response.statusCode).json(response);
    }
  }

  static async exportExcel(req, res) {
    try {
      const queryParams = req.query || {};
      queryParams.limit = null;

      const results = await SparepartService.getAllSparepart(queryParams);

      const ExcelJS = require("exceljs");
      const fs = require("fs");
      const path = require("path");

      const workbook = new ExcelJS.Workbook();
      const worksheet = workbook.addWorksheet("Sparepart Data");

      worksheet.columns = [
        { header: "Name Sparepart", key: "sparepart_name", width: 30 },
        { header: "Code Sparepart", key: "sparepart_code", width: 20 },
        { header: "QTY Sparepart", key: "sparepart_qty", width: 15 },
        { header: "Merk", key: "sparepart_merk", width: 20 },
        { header: "Model", key: "sparepart_model", width: 20 },
        { header: "Unit", key: "sparepart_unit", width: 10 },
        { header: "Stock", key: "sparepart_stok", width: 10 },
        { header: "Foto", key: "sparepart_foto", width: 25 },
        { header: "Item Type", key: "sparepart_item_type", width: 25 },
        { header: "Dibuat Pada", key: "created_at", width: 20 },
      ];

      worksheet.addRows(
        results.data.map((item) => ({
          sparepart_name: item.sparepart_name,
          sparepart_code: item.sparepart_code,
          sparepart_qty: item.sparepart_qty,
          sparepart_merk: item.sparepart_merk,
          sparepart_model: item.sparepart_model,
          sparepart_unit: item.sparepart_unit,
          sparepart_stok: item.sparepart_stok,
          sparepart_foto: "",
          sparepart_item_type: item.sparepart_item_type,
          created_at: item.created_at,
        }))
      );

      for (let i = 0; i < results.data.length; i++) {
        const item = results.data[i];
        const rowNumber = i + 2;

        if (!item.sparepart_foto) continue;

        let foto = item.sparepart_foto.trim();

        foto = foto.replace(/^images\//, "");

        const fullPath = path.resolve(process.cwd(), "uploads", "images", foto);

        if (fs.existsSync(fullPath)) {
          const ext = fullPath.split(".").pop().toLowerCase();

          const imageId = workbook.addImage({
            filename: fullPath,
            extension: ext,
          });

          worksheet.addImage(imageId, {
            tl: { col: 7, row: rowNumber - 1 },
            ext: { width: 80, height: 80 },
          });

          worksheet.getRow(rowNumber).height = 70;
        }
      }

      worksheet.getRow(1).eachCell((cell) => {
        cell.font = { bold: true };
        cell.alignment = { horizontal: "center" };
      });

      const buffer = await workbook.xlsx.writeBuffer();

      res.setHeader(
        "Content-Type",
        "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
      );
      res.setHeader(
        "Content-Disposition",
        "attachment; filename=sparepart_data.xlsx"
      );

      return res.send(buffer);
    } catch (error) {
      console.log("Export Excel Error:", error);
      return res.status(500).json({
        message: error.message,
      });
    }
  }

  static async delete(req, res) {
    const { id } = req.params;
    const results = await SparepartService.deleteSparepart(
      id,
      req.user.user_id
    );
    const response = await setResponse(
      results,
      "Sparepart deleted successfully"
    );
    res.status(response.statusCode).json(response);
  }
}
module.exports = SparepartController;