swshparser

let fs = require("fs");

let encounters = {};

let lines = fs.readFileSync("./overworld.txt", "utf-8")
    .split("\n")
    .filter(l => l.trim());


let location = null;
let condition = null;
let levelRange = null;


for (let i = 0; i < lines.length; ++i) {
    let line = lines[i];

    if (line.startsWith("\t\t")) {
        line = line.trim();

        let matches = line.match(/- (.*)[ ]*\t(\d+)%/);

        if (!matches) {
            console.error("Error parsing line " + i);
            console.error(lines[i]);
            break;
        }

        let poke = matches[1].trim();
        let odds = parseInt(matches[2], 10);

        if (!encounters[poke]) {
            encounters[poke] = [];
        }

        encounters[poke].push({
            location: location,
            condition: condition,
            levelRange: levelRange,
            odds: odds,
            overworld: true,
        });
    } else if (line.startsWith("\t")) {
        line = line.trim();
        let matches = line.match(/(.*) \(Lv\. (\d+-\d+)\)/);
        if (!matches) {
            console.error("Error parsing line " + i);
            console.error(lines[i]);
            break;
        }

        condition = matches[1];
        levelRange = matches[2];
    } else {
        location = line.trim().substr(0, line.length - 2);
    }
}

lines = fs.readFileSync("./non-overworld.txt", "utf-8")
    .split("\n")
    .filter(l => l.trim());


location = null;
condition = null;
levelRange = null;


for (let i = 0; i < lines.length; ++i) {
    let line = lines[i];

    if (line.startsWith("\t\t")) {
        line = line.trim();

        let matches = line.match(/- (.*)[ ]*\t(\d+)%/);

        if (!matches) {
            console.error("Error parsing line " + i);
            console.error(lines[i]);
            break;
        }

        let poke = matches[1].trim();
        let odds = parseInt(matches[2], 10);

        if (!encounters[poke]) {
            encounters[poke] = [];
        }

        encounters[poke].push({
            location: location,
            condition: condition,
            levelRange: levelRange,
            odds: odds,
            overworld: false,
        });
    } else if (line.startsWith("\t")) {
        line = line.trim();
        let matches = line.match(/(.*) \(Lv\. (\d+-\d+)\)/);
        if (!matches) {
            console.error("Error parsing line " + i);
            console.error(lines[i]);
            break;
        }

        condition = matches[1];
        levelRange = matches[2];
    } else {
        location = line.trim().substr(0, line.length - 2);
    }
}

let finalResult = [];

for (let poke in encounters) {
    if (encounters.hasOwnProperty(poke)) {
        finalResult.push({
            poke: poke,
            encounters: encounters[poke],
        });
    }
}

finalResult.sort((a, b) => a.poke.localeCompare(b.poke));

// fs.writeFileSync("sword.json", JSON.stringify(finalResult, undefined, 2));
fs.writeFileSync("shield.json", JSON.stringify(finalResult, undefined, 2));