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

exports.createNotes = async (req, res) =>
{
	try 
	{
               
               
                for (const value of req.body.notes) 
                { 
                     notes = JSON.stringify(value); 
                     data = {
                                losid: req.body.losid,
                                notes: notes,
                                sheet_no : value.index + 1,
                                user_id: req.body.user_id,
                                createdby: req.body.createdby
                            };
                    // insert working notes data
                    await Workingnotes.create(data)
                                      .then(data=>{ logMsg.info("Notes insert Success");})
                                      .catch(err=>{ logMsg.info("Notes insert Failed");});
                }
               
		
		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
          
};



exports.updateNotes = async (req, res) =>
{
	try 
	{
               
               
                for (const value of req.body.notes) 
                { 
                     sheet_no = value.index + 1;
                     notesData = await Workingnotes.findOne({where :{losid : req.body.losid ,   sheet_no : sheet_no , is_active:1}});
                     
                     if(notesData != undefined)
                     {
                        id = notesData.dataValues.id;
                        notes = JSON.stringify(value); 
                    
                        // update working notes data
                        await Workingnotes.update({notes: notes , updatedby: req.body.updatedby} ,  { where: { id: id } })
                                          .then(data=>{ logMsg.info("Notes update Success");})
                                          .catch(err=>{ logMsg.info("Notes update Failed");});
                       
                     }else{
                        notes = JSON.stringify(value); 
                        data = {
                                   losid: req.body.losid,
                                   notes: notes,
                                   sheet_no : value.index + 1,
                                   user_id: req.body.user_id,
                                   createdby: req.body.createdby
                               };
                       // insert working notes data
                       await Workingnotes.create(data)
                                         .then(data=>{ logMsg.info("Notes insert Success");})
                                         .catch(err=>{ logMsg.info("Notes insert Failed");});

                     }
                    
                
                }
               
		
		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
          
};



exports.notesList = async (req, res) =>
{
	try 
	{
        notesData = await Workingnotes.findAll({where :{losid : req.query.losid, is_active:1}}).catch(err=>{console.log(err);});
		    
        res.send({'status':200 , message:"Success." ,'data': notesData});
       
	} 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.deleteNotes = async (req, res) =>
{
	try 
	{
                for (const value of req.body.id) 
                { 
                // update working notes data (is_active = 0)
                await Workingnotes.update({is_active: 0} ,  { where: { id: value } })
                                          .then(data=>{ logMsg.info("Notes is_active = 0 update Success");})
                                          .catch(err=>{ logMsg.info("Notes is_active = 0 update Failed");});
                }
		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
          
};



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":"WORKING NOTES","folder":"smc_cet_workingnotes_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
};