self.onmessage = async (event) => {
    if (event.data.type === "api") {
        const { endpoint, greenLetters, yellowLetters, greyLetters, greenWithIndex } = event.data
        let response = await fetch(`${endpoint}`, {
            method: 'POST',
            body: JSON.stringify({
                greenLetters: greenLetters,
                yellowLetters: yellowLetters,
                greyLetters: greyLetters,
                greenWithIndex: greenWithIndex,
            }),
        })
        let data = await response.json();
        data = data.slice(0, 1000)
        let newWordsLength = 0
        let ok = true
        if (data.length === 0) {
            self.postMessage("error");
        } else {
            newWordsLength = ''
            newWordsLength += data.length
            let result = data.map((item) => {
                if (item.length === 1) {
                    ok = false
                    newWordsLength = newWordsLength - 1
                } else {
                    let ScrabbleLetterScore = ScrabbleScore()
                    sum = 0
                    item = item.toLowerCase()
                    for (let i = 0; i < item.length; i++) {
                        sum += ScrabbleLetterScore[item[i]] || 0 // for unknown characters
                    }
                    return `
                <a class="anchor__style" title="Lookup ${item} in Dictionary" target="_blank" href="/word-meaning?search=${item.toLowerCase()}">
                <li>
                ${item.toLowerCase()}
                <span class="points" value="${sum}" style="position:relative; top:4px; font-size:12px"> ${sum}</span>
                </li>
                </a>
                `
                }
            })
            self.postMessage({ result, newWordsLength, ok });
        }
    }

};

const ScrabbleScore = (dictonary) => {
    let twl06_sowpods = {
        a: 1,
        e: 1,
        i: 1,
        o: 1,
        u: 1,
        l: 1,
        n: 1,
        r: 1,
        s: 1,
        t: 1,
        d: 2,
        g: 2,
        b: 3,
        c: 3,
        m: 3,
        p: 3,
        f: 4,
        h: 4,
        v: 4,
        w: 4,
        y: 4,
        k: 5,
        j: 8,
        x: 8,
        q: 10,
        z: 10,
    };
    let wwfScore = {
        a: 1,
        b: 4,
        c: 4,
        d: 2,
        e: 1,
        f: 4,
        g: 3,
        h: 3,
        i: 1,
        j: 10,
        k: 5,
        l: 2,
        m: 4,
        n: 2,
        o: 1,
        p: 4,
        q: 10,
        r: 1,
        s: 1,
        t: 1,
        u: 2,
        v: 5,
        w: 4,
        x: 8,
        y: 3,
        z: 10,
    };

    if (dictonary === "wwf") {
        return wwfScore;
    } else {
        return twl06_sowpods;
    }
};