"use strict";
/**
 * Copyright © 2018 Emu Analytics
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const utils_1 = require("../../utils");
const fs = require("fs");
exports.command = ['export <id> [destPath]'];
exports.desc = 'Export a dataset';
exports.builder = (args) => {
    return args
        .hide('f')
        .option('o', {
        alias: 'output',
        default: 'geojson',
        describe: 'Output format',
        type: 'string',
        choices: ['geojson', 'gpkg', 'shapefile']
    })
        .positional('id', { describe: 'Dataset id (or unique prefix)', type: 'string' })
        .positional('destPath', { describe: 'Destination path', type: 'string' });
};
function handler({ client, id, format, destPath }) {
    return __awaiter(this, void 0, void 0, function* () {
        try {
            const ds = yield utils_1.resolveResource(id, client.datasets);
            const exportUrl = client.datasets.getExportUrl(ds.id, format);
            const stream = yield client._get(exportUrl, { responseType: 'stream' });
            if (!destPath) {
                let ext;
                switch (format) {
                    case 'geojson':
                        ext = 'geojson';
                        break;
                    case 'gpkg':
                        ext = 'gpkg';
                        break;
                    case 'shapefile':
                        ext = 'shp.zip';
                        break;
                    default:
                        throw new Error(`Unsupported format: ${format}`);
                }
                destPath = `${ds.id}.${ext}`;
            }
            stream.on('end', () => utils_1.log(`Dataset exported to '${destPath}'`));
            stream.pipe(fs.createWriteStream(destPath));
        }
        catch (e) {
            utils_1.logError(e);
        }
    });
}
exports.handler = handler;
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