import * as _ from "lodash";
import * as comma from "add-commas";
import * as markdownTable from "markdown-table";
import * as scanner from "./scanner";

export var help = "Create a summary table of requested fields";

export function args(argv) {
    return argv
        .help("help")

        .alias('f', 'field')
        .default('field', 'summary')

        .alias('t', 'title')
        .default('title', 'title')

        .alias('o', 'output')
        .default('output', '-')

        .demand(1)
        .argv;
}

export function run(argv) {
    var files = argv._.splice(1);
    var data = scanner.scanFiles(argv, files);
    render(argv, data);
}

export function render(argv, data) {
    for (var item of data) {
        var title = _.get(item, argv.title);
        var value = _.get(item, argv.field);

        console.log(`# ${title}`);
        console.log();
        console.log(value.replace("\n", "\n\n"));
    }
}