const sqlite3 = require('sqlite3').verbose();
var sqliteFunc = require('../util/db_sqlite.js');
var oracleModel = require('./oracleModel.js');
const oracledb = require('oracledb');
const path = require('path');
const fs = require('fs');

async function insertRefTable(db,dataUnitCabang){
    try{
        var runQuery = 'insert into refTable(mesin,tipe,rangka,warna,kode,tahun,state) VALUES ';
            for(var i = 0 ; i < dataUnitCabang.length ; i ++){
                if(i == dataUnitCabang.length -1){
                 runQuery = runQuery.concat(`('${dataUnitCabang[i]["MESIN"]}','${dataUnitCabang[i]["TIPE"]}','${dataUnitCabang[i]["RANGKA"]}','${dataUnitCabang[i]["WARNA"]}',
                    '${dataUnitCabang[i]["KODE"]}','${dataUnitCabang[i]["TAHUN"]}','${dataUnitCabang[i]["STATE"]}')`);
                }
                else {
                 runQuery = runQuery.concat(`('${dataUnitCabang[i]["MESIN"]}','${dataUnitCabang[i]["TIPE"]}','${dataUnitCabang[i]["RANGKA"]}','${dataUnitCabang[i]["WARNA"]}',
                    '${dataUnitCabang[i]["KODE"]}','${dataUnitCabang[i]["TAHUN"]}','${dataUnitCabang[i]["STATE"]}'), `);
                }

        }
        var insertTable = await sqliteFunc.runQuery(db,runQuery);
        if(insertTable["STATUS"] == 0) throw insertTable["DATA"]
    }
    catch(e){
        throw e;
    }

}


async function insertJenisFoto(db,jenisFoto){
    try{
        var valBlobTable = '';
        for(var i = 0 ; i < jenisFoto.length ; i++){
            if(i == jenisFoto.length -1) {
                valBlobTable = valBlobTable.concat(`('${jenisFoto[i]["NO_URUT"]}','${jenisFoto[i]["JENIS"]}')`);
            }
            else{
                valBlobTable = valBlobTable.concat(`('${jenisFoto[i]["NO_URUT"]}','${jenisFoto[i]["JENIS"]}'),`);
            }

        }
        var insertJenisBlobQuery = `
            Insert Into jenisBlobTable Values ${valBlobTable}

        `;

        var insertBlobQuery = await sqliteFunc.runQuery(db,insertJenisBlobQuery);
        if(insertBlobQuery["STATUS"] == 0) throw  insertBlobQuery["DATA"]
    }
    catch(e){
        throw e;
    }
}


async function insertUnitDetPic(db,dataUnitPic){
    try{
        var valDetPic = '';
        for(var i = 0 ; i < dataUnitPic.length ; i++){
            if(i == dataUnitPic.length -1) {
                valDetPic = valDetPic.concat(`('${dataUnitPic[i]["MESIN"]}','${dataUnitPic[i]["NO_URUT"]}',
                    null,'${dataUnitPic[i]["JENIS"]}',null,null)`);
            }
            else{
                valDetPic = valDetPic.concat(`('${dataUnitPic[i]["MESIN"]}','${dataUnitPic[i]["NO_URUT"]}',
                    null,'${dataUnitPic[i]["JENIS"]}',null,null),`);
            }

        }
        var insertJenisBlobQuery = `
            Insert Into blobTable(MESIN,NO_URUT,BLOB_FILE,JENIS,LATITUDE,LONGITUDE) Values ${valDetPic};

        `;

        var insertBlobQuery = await sqliteFunc.runQuery(db,insertJenisBlobQuery); 
        if(insertBlobQuery["STATUS"] == 0 ) throw insertBlobQuery["DATA"]
    }
    catch(e){
        throw e;
    }
}

async function getValueTableByName(db,name){
    var query = `
        select VALUE from 
        valueTable
        where name = '${name}'
        LIMIT 1
    `;

    var selectInsertTable = await sqliteFunc.selectQuery(db,query);
    if(selectInsertTable["STATUS"] == 0)  throw Error(selectInsertTable["DATA"]);
    var data = selectInsertTable["DATA"];
    var value = data[0]["VALUE"];
    return value;

}
async function getInsertedData(db){
    try{
        var query = `
            select 
                MESIN,
                TIMESTAMP
            from refTable
            where flag_insert = 'TRUE'
        `;

        var selectTimestampInsert = await sqliteFunc.selectQuery(db,query);
        if(selectTimestampInsert["STATUS"] == 0) throw selectTimestampInsert["DATA"];
        return selectTimestampInsert["DATA"];
    }
    catch(e){
        throw e;
    }
}

async function getInsertedPic(db){
    try{
        var query = `
            select 
                BLOB_FILE,
                jenis,
                latitude,
                LONGITUDE,
                MESIN,
                NO_URUT
             from blobTable where
             blob_file IS NOT NULL
        `;
        var selectBlobTable = await sqliteFunc.selectQuery(db,query);
        if(selectBlobTable["STATUS"] == 0) throw selectBlobTable["DATA"];
        return selectBlobTable["DATA"];
    }
    catch(e){
        throw e;
    }

}

async function unpackAndInsert(dbPath = null, company , cabangId){
    let db;
    try{
        //var dbPath = path.join(__dirname , `../public/sqlite/upload/uploadDB.db`);
        db = new sqlite3.Database(dbPath, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE);
        var stockTakingUnitId = await getValueTableByName(db,'STOCK_TAKING_UNIT_ID');
        var insertedData = await getInsertedData(db);
        var insertedPic = await getInsertedPic(db);
        var stockTakingData = {"company" : company , "cabangId" : cabangId, "stockTakingUnitId" : stockTakingUnitId};
        var result = await oracleModel.insertStockUnitData(stockTakingData,insertedData,insertedPic);
        if(db.open){
            return new Promise(function(resolve,reject){
                db.close(function(data){
                    fs.unlinkSync(dbPath);
                    resolve({"STATUS" : 1 ,"DATA" : result});
                })        
            })

        }
        else{
            fs.unlinkSync(dbPath);
            return {"STATUS" : 1 ,"DATA" : result};
        }

    }
    catch(e){
        console.log(e);

        if(db.open){

            return new Promise(function(resolve,reject){
                db.close(function(data){

                    resolve({"STATUS" : 0 ,"DATA" : e});
                })        
            })
            // db.close(function(data){
            //     return {"STATUS" : 0 ,"DATA" : e};
            // })
        }
        else{
            return {"STATUS" : 0 ,"DATA" : e};
        }
        
    }
}

 // var dbPath = path.join(__dirname , `../public/sqlite/testaplod3.db`);
 // unpackAndInsert(dbPath,'TBS','02');



async function CreateDataCollection(company = '' , cabangId = ''){
    var dbPath;
    let db;
    try {
        var checkStockTaking = await oracleModel.getActiveStockTakingByCabang(company,cabangId);
        var oracleData;
        if(checkStockTaking == undefined){
            oracleData = await oracleModel.prepareStockCollection(company,cabangId);
        }
        else {
            let state = checkStockTaking["STATE"];
            if(state == 'Submitted'){
                throw 'Gagal dalam mengambil data, mohon menunggu review data yang disubmit sebelumnya.';
            }
            oracleData = await oracleModel.getActiveStockCollection(company,cabangId,checkStockTaking["STOCK_TAKING_UNIT_ID"]);
        }
        
        var stockTakingUnitId = oracleData["stockTakingUnitId"];
        var dataUnitCabang = oracleData["dataUnitCabang"];
        var dataUnitPic = oracleData["dataUnitPic"];
        var jenisFoto = oracleData["jenisFoto"];
        var dirPath = path.join(__dirname , `../public/sqlite/db/${company}/${cabangId}`);
        var resultDirPath = fs.mkdirSync(dirPath, { recursive: true });


        var d = new Date();
        var n = d.getTime();
        var dbName = `${n}.db`;

        dbPath = path.join(dirPath ,dbName);
        db = new sqlite3.Database(dbPath, sqlite3.OPEN_READWRITE | sqlite3.OPEN_CREATE);

       // Create Table Reference
        var refTableQuery = `CREATE TABLE refTable(
                                ID             INTEGER     PRIMARY KEY AUTOINCREMENT,
                                MESIN          TEXT,
                                TIPE           TEXT,
                                RANGKA         TEXT,
                                WARNA          TEXT,
                                KODE           TEXT,
                                TAHUN          TEXT,
                                STATE          TEXT,
                                TIMESTAMP      TEXT DEFAULT NULL,
                                FLAG_INSERT    TEXT DEFAULT 'FALSE' 
                            )`;
        var createRefTable = await sqliteFunc.runQuery(db,refTableQuery);
        if(createRefTable["STATUS"] == 0) throw createRefTable;

        // var insertTableQuery = `CREATE TABLE insertTable(
        //                         ID         INTEGER         PRIMARY KEY AUTOINCREMENT,
        //                         MESIN      TEXT,
        //                         TIMESTAMP  TEXT
        //                     )`;

        // var createInsertTable = await sqliteFunc.runQuery(db,insertTableQuery);
        // if(createInsertTable["STATUS"] == 0) throw createInsertTable;

        var insertTableBlob = `CREATE TABLE blobTable(
                                BLOB_ID          INTEGER PRIMARY KEY AUTOINCREMENT,
                                MESIN            TEXT,
                                NO_URUT          TEXT,
                                BLOB_FILE        BLOB,
                                JENIS            TEXT,
                                LATITUDE         TEXT,
                                LONGITUDE        TEXT
                            )`;


        var createBlobTable = await sqliteFunc.runQuery(db,insertTableBlob);
        if(createBlobTable["STATUS"] == 0) throw createInsertTable;


        var valueTableQuery = `
            CREATE TABLE valueTable(
                NAME         TEXT,
                VALUE        TEXT
            )
        `;
        
        var createValueTable = await sqliteFunc.runQuery(db,valueTableQuery);
        if(createValueTable["STATUS"] == 0) throw createValueTable;

        var queryValueTableInsert = `insert into valueTable(name,value) VALUES ('STOCK_TAKING_UNIT_ID',${stockTakingUnitId})`;
        var insertValueTableInsert = await sqliteFunc.runQuery(db,queryValueTableInsert);
        if(insertValueTableInsert["STATUS"] == 0) throw insertValueTableInsert;


        var jenisBlobQuery = `
            CREATE TABLE jenisBlobTable(
                NO_URUT           TEXT,
                VALUE             TEXT
            )
        `;
        var createJenisBlobTable = await sqliteFunc.runQuery(db,jenisBlobQuery);
        if(createJenisBlobTable["STATUS"] == 0) throw createJenisBlobTable;

        //----------- JENIS FOTO----------------------------------------------
            await insertJenisFoto(db,jenisFoto);

        if(dataUnitCabang.length > 0){
        //----------- REF TABLE----------------------------------------------
            await insertRefTable(db,dataUnitCabang);

        //----------- UNIT DET PIC----------------------------------------------
            await insertUnitDetPic(db,dataUnitPic);
        }


            if(db.open){
                return new Promise(function(resolve,reject){
                    db.close(function(data){
                        resolve({"STATUS" : 1 ,"DATA" : dbPath});
                    })        
                });
                // db.close(function(data){
                //     return {"STATUS" : 1, "DATA" : dbPath};
                // })
            }
            else{
                return {"STATUS" : 1, "DATA" : dbPath};
            }

    }
    catch(e){
        if(db){
            if(db.open){
                return new Promise(function(resolve,reject){
                    db.close(function(data){
                        fs.unlinkSync(dbPath);
                        resolve({"STATUS" : 0 ,"DATA" : e});
                    })        
                });
                // db.close(function(data){
                //     fs.unlinkSync(dbPath);
                //     return {"STATUS" : 0 , "DATA": e};
                // });
            }
        }

        else{
            if(dbPath){
                fs.unlinkSync(dbPath);
            } 
            console.log(e);           
            return {"STATUS" : 0 , "DATA": e};
        }
    }
}
//CreateDataCollection("TBS",'02');


module.exports = {
    CreateDataCollection : CreateDataCollection,
    unpackAndInsert : unpackAndInsert
};