const { sequelize,Test , AdjustableTang , PolicyParameterMaster , DoubleWhammy} = require('../models')
const { logMsg } = require('../services/logger.js');
const fs = require('fs');
const path = require('path');


exports.Welcome = (req, res) =>
{
	try 
	{
		const Msg = "Welcome....!";
        console.log(Msg);
        logMsg.info("Api Call Success");
		res.send({'status':200 , message:"Success." ,'data': Msg});
		
	} catch(err) {
         res.status(500).send({'status':404,
         message: err.message || "Some error occurred while inserting statements." ,'data': "No data"
         }); } //end of try catch
          
};



exports.readLogFileName = async (req , res) =>
{
     try 
     {
          folderName = req;
          const logFilePath = 'storage/log';

          const fileNames = fs.readdirSync(logFilePath);
          // Remove the first element (0th index) 
          const [, ...data] = fileNames;
          return data;
          
     } 
     catch(err) 
     {
          res.status(500).send({'status':404,
          message: err.message || "Some error occurred while inserting statements." ,'data': "No data"
          }); 
     } //end of try catch
};


exports.readLogFile = async (req , res) =>
{
     try 
     {
          folderName = req.body.folder;
          fileName = req.body.file;
          const logFilePath = 'storage/log/'+fileName;

          fs.readFile(logFilePath, 'utf8', (err, data) => {
          if (err) {
               console.error(err);
               res.status(500).send({'status':404,'message': err.message || "Error reading log file." ,'data': "No data"}); 
          }
          res.send({'status':200 , message:"Success." ,'data': data});
          });
          
     } 
     catch(err) 
     {
          res.status(500).send({'status':404,
          message: err.message || "Some error occurred while inserting statements." ,'data': "No data"
          }); 
     } //end of try catch
};


exports.viewLandingPage = async (req , res) =>
{
     try 
     {
          moduleName = [ { "module":"CREDIT POLICY","folder":"smc_cet_credit_policy_backend"} ];
          img = []
          for(const [index,val] of moduleName.entries())
          {
          fileName = await this.readLogFileName(val.folder);
               for (let i = 0; i < fileName.length; i++) 
               {
               filePath = 'storage/log/'+fileName[i];
               const logData = fs.readFileSync(filePath);
               // Convert the file content to Base64
               const base64Data = logData.toString('base64'); 
               // Create Base64 URL from Base64 data
               const base64Url = `data:application/octet-stream;base64,${encodeURIComponent(base64Data)}`;
               img.push(base64Url)
               }
          moduleName[index] = await Object.assign(val,{'file':fileName , 'img':img});
          };
          res.render( 'module' , { 'data' : moduleName } ,function (err, html ) {
          res.send(html)
          })
     } 
     catch(err) 
     {
          res.status(500).send({'status':404,
          message: err.message || "Some error occurred while inserting statements." ,'data': "No data"
          }); 
     } //end of try catch
};


exports.deleteLogFile = async (req , res) =>
{
     try 
     {
          folderName = req.body.folder;
          fileName = req.body.file;
          
          // folderName = 'smc_cet_creditpd_backend';
          // fileName = 'msg.log.2023-07-10';
          const logFilePath = 'storage/log/'+fileName;
          fs.unlink(logFilePath, (err) => {
          if (err) {
               console.error(`Error deleting file: ${err}`);
               return;
          }
          
          console.log('File deleted successfully.');
          res.send({'status':200 , message:"Success." ,'data': 'No data'});
          });
          
     } 
     catch(err) 
     {
          res.status(500).send({'status':404,
          message: err.message || "Some error occurred while inserting statements." ,'data': "No data"
          }); 
     } //end of try catch
};