const axios = require('@/utils/axios');
const dayjs = require('dayjs');

module.exports = async (ctx) => {
    const locations = ctx.params.locations;

    let nearby = ctx.params.nearby || '0';
    nearby = nearby === '1' ? 'true' : 'false';

    let host = 'https://alltheflightdeals.com/deals';

    let url = 'https://alltheflightdeals.com/deals/locations?origins=[';

    locations.split(',').forEach(function(pair) {
        const country = pair.split('+')[0];
        const city = titleCase(pair.split('+')[1]);
        url += `{"country":"${country}","city":"${city}"},`;

        host += `/${country}/${city.replace(' ', '_')}`;
    });

    url = url.slice(0, -1) + `]&includeNearbyOrigins=${nearby}`;

    const response = await axios({
        method: 'get',
        url,
        headers: {
            Referer: host,
        },
    });
    const data = response.data.data.slice(0, 10);

    ctx.state.data = {
        title: 'All the Flight Deals',
        link: host,
        description: 'All the Flight Deals',
        item: data.map((item) => ({
            title: `[${item.dateRanges[0] ? dayjs(item.dateRanges[0].start).format('YYYY MMM DD') + ' to ' + dayjs(item.dateRanges[0].end).format('YYYY MMM DD') : ''}]  ${item.title}`,
            description: `<img referrerpolicy="no-referrer" src="https://alltheflightdeals.com/assets/cities/${item.cityPairs[0].destinationCity.id}.jpg" alt="${item.cityPairs[0].destination.city},${
                item.cityPairs[0].destination.countryName
            }"> <br><table><tbody><tr><th align="left" style="border: 1px solid black;">From</th><th align="left" style="border: 1px solid black;">To</th><th align="left" style="border: 1px solid black;">Price</th></tr><tr><td style="border: 1px solid black;"><b>${
                item.cityPairs[0].origin.iata
            }</b>, ${item.cityPairs[0].origin.city}, ${item.cityPairs[0].origin.countryName}</td><td style="border: 1px solid black;"><b>${item.cityPairs[0].destination.iata}</b>, ${item.cityPairs[0].destination.city}, ${
                item.cityPairs[0].destination.countryName
            }</td><td style="border: 1px solid black;">${item.currency} ${item.price}</td></tr></tbody></table>`,
            pubDate: new Date(item.createdAt),
            guid: item.id,
            link: item.url,
        })),
    };
};

const titleCase = (str) =>
    str
        .toLowerCase()
        .split(' ')
        .map(function(word) {
            return word.replace(word[0], word[0].toUpperCase());
        })
        .join(' ');