const Component = require(`${appPath}/core/component`);
const Report = require(`${appPath}/core/report`);
const reportHeader = new Component('report-header');
const reportFooter = new Component('report-footer');
const db = require(`${appPath}/core/database`);

module.exports = {
    name: 'invoice',
    async serverPrefetch() {
        this.invoice = await this.fetchInvoice(this.invoiceId);
        this.client = await this.fetchClient(this.invoiceId);
        this.taxes = await this.fetchTaxes(this.invoiceId);
        this.intrastat = await this.fetchIntrastat(this.invoiceId);
        this.rectified = await this.fetchRectified(this.invoiceId);

        const tickets = await this.fetchTickets(this.invoiceId);
        const sales = await this.fetchSales(this.invoiceId);

        const map = new Map();

        for (let ticket of tickets)
            map.set(ticket.id, ticket);

        for (let sale of sales) {
            const ticket = map.get(sale.ticketFk);
            if (!ticket.sales) ticket.sales = [];
            ticket.sales.push(sale);
        }

        this.tickets = tickets;

        if (!this.invoice)
            throw new Error('Something went wrong');
    },
    data() {
        return {totalBalance: 0.00};
    },
    computed: {
        ticketsId() {
            const tickets = this.tickets.map(ticket => ticket.id);

            return tickets.join(', ');
        },
        botanical() {
            let phytosanitary = [];
            for (let ticket of this.tickets) {
                for (let sale of ticket.sales) {
                    if (sale.botanical)
                        phytosanitary.push(sale.botanical);
                }
            }

            return phytosanitary.filter((item, index) =>
                phytosanitary.indexOf(item) == index
            ).join(', ');
        },
        taxTotal() {
            const base = this.sumTotal(this.taxes, 'base');
            const vat = this.sumTotal(this.taxes, 'vat');
            return base + vat;
        }
        /*
        serviceTotal() {
            let total = 0.00;
            this.services.forEach(service => {
                total += parseFloat(service.price) * service.quantity;
            });

            return total;
        } */
    },
    methods: {
        fetchInvoice(invoiceId) {
            return this.findOneFromDef('invoice', [invoiceId]);
        },
        fetchClient(invoiceId) {
            return this.findOneFromDef('client', [invoiceId]);
        },
        fetchTickets(invoiceId) {
            return this.rawSqlFromDef('tickets', [invoiceId]);
        },
        async fetchSales(invoiceId) {
            const connection = await db.pool.getConnection();
            await this.rawSql(`DROP TEMPORARY TABLE IF EXISTS tmp.invoiceTickets`, connection);
            await this.rawSqlFromDef('invoiceTickets', [invoiceId], connection);

            const sales = this.rawSqlFromDef('sales', connection);

            await this.rawSql(`DROP TEMPORARY TABLE tmp.invoiceTickets`, connection);
            await connection.release();

            return sales;
        },
        fetchTaxes(invoiceId) {
            return this.rawSqlFromDef(`taxes`, [invoiceId]);
        },
        fetchIntrastat(invoiceId) {
            return this.rawSqlFromDef(`intrastat`, [invoiceId]);
        },
        fetchRectified(invoiceId) {
            return this.rawSqlFromDef(`rectified`, [invoiceId]);
        },
        subTotal(ticket) {
            let subTotal = 0.00;
            ticket.sales.forEach(sale => {
                subTotal += sale.quantity * sale.price * (1 - sale.discount / 100);
            });

            return subTotal;
        },
        getTotal() {
            return this.getTotalBase() + this.getTotalTax();
        },
        sumTotal(rows, prop) {
            let total = 0.00;
            for (let row of rows)
                total += parseFloat(row[prop]);

            return total;
        }
    },
    components: {
        'report-header': reportHeader.build(),
        'report-footer': reportFooter.build()
    },
    props: {
        invoiceId: {
            type: String,
            required: true
        }
    }
};