module.exports = Self => {
    Self.remoteMethodCtx('saveSign', {
        description: 'Save sign',
        accessType: 'WRITE',
        accepts:
        [
            {
                arg: 'singContent',
                type: 'string',
                required: true,
                description: 'The sign content'
            }, {
                arg: 'tickets',
                type: ['number'],
                required: true,
                description: 'The tickets'
            }, {
                arg: 'signedTime',
                type: 'date',
                description: 'The signed time'
            }, {
                arg: 'addressFk',
                type: 'number',
                required: true,
                description: 'The address fk'
            }
        ],
        returns: {
            type: 'Object',
            root: true
        },
        http: {
            path: `/saveSign`,
            verb: 'POST'
        }
    });

    Self.saveSign = async(ctx, signContent, tickets, signedTime, addressFk) => {
        const userId = ctx.req.accessToken.userId;

        let dmsDir = await Self.rawSql(`SELECT dmsDir FROM hedera.config`);

        let image;

        let alertLevels = [];

        for (let i = 0; i < tickets.length; i++) {
            let call = `SELECT alertLevel FROM vn.ticketState WHERE ticketFk = ${tickets[i]}`;
            let result = await Self.rawSql(call);

            alertLevels.push(result[0].alertLevel);
        }

        signedTime ? signedTime != undefined : signedTime = new Date();

        let tx = await Self.beginTransaction({});

        try {
            if (tx) await tx.commit();

            return {
                success: true,
                signContent: signContent,
                tickets: tickets,
                signedTime: signedTime,
                addressFk: addressFk,
                dmsDir: dmsDir,
                alertLevels: alertLevels
            };
        } catch (err) {
            await tx.rollback();
            throw err;
        }
    };
};