import { describe, expect, test } from "@odoo/hoot";

import {
    formatList,
    jsToPyLocale,
    normalize,
    normalizedMatch,
    pyToJsLocale,
} from "@web/core/l10n/utils";
import { user } from "@web/core/user";
import { patchWithCleanup } from "@web/../tests/web_test_helpers";

describe.current.tags("headless");

describe("formatList", () => {
    test("defaults to the current user's locale", () => {
        patchWithCleanup(user, { lang: "es-ES" });
        const list = ["A", "B", "C"];
        expect(formatList(list)).toBe("A, B y C");
    });

    test("defaults to English if the user's locale can't be retrieved", () => {
        patchWithCleanup(user, { lang: "" });
        const list = ["A", "B", "C"];
        expect(formatList(list)).toBe("A, B, and C");
    });

    test("takes style into account", () => {
        const list = ["A", "B", "C"];
        expect(formatList(list, { style: "or" })).toBe("A, B, or C");
    });

    test("uses the specified locale", () => {
        const list = ["A", "B", "C"];
        expect(formatList(list, { localeCode: "fr-FR" })).toBe("A, B et C");
    });
});

describe("jsToPyLocale", () => {
    test("2-letter ISO 639 code", () => expect(jsToPyLocale("tg")).toBe("tg"));
    test("3-letter ISO 639 code", () => expect(jsToPyLocale("kab")).toBe("kab"));
    test("language with region", () => expect(jsToPyLocale("fr-BE")).toBe("fr_BE"));
    test("language with region (UN M49 code)", () => expect(jsToPyLocale("es-419")).toBe("es_419"));
    test("language with Latin script", () => expect(jsToPyLocale("sr-Latn")).toBe("sr@latin"));
    test("language with Cyrillic script", () => expect(jsToPyLocale("sr-Cyrl")).toBe("sr@Cyrl"));
    test("language with region and script", () =>
        expect(jsToPyLocale("sr-Latn-RS")).toBe("sr_RS@latin"));
    test("already converted locale", () => expect(jsToPyLocale("fr_TG")).toBe("fr_TG"));
    test("already converted locale with script", () =>
        expect(jsToPyLocale("sr@latin")).toBe("sr@latin"));
    test("undefined locale", () => expect(jsToPyLocale(undefined)).toBe(""));
    test("Tagalog", () => expect(jsToPyLocale("tl-PH")).toBe("tl_PH"));
    test("Filipino", () => expect(jsToPyLocale("fil-PH")).toBe("tl_PH"));
});

describe("pyToJsLocale", () => {
    test("2-letter ISO 639 code", () => expect(pyToJsLocale("tg")).toBe("tg"));
    test("3-letter ISO 639 code", () => expect(pyToJsLocale("kab")).toBe("kab"));
    test("language with region", () => expect(pyToJsLocale("fr_BE")).toBe("fr-BE"));
    test("language with region (UN M49 code)", () => expect(pyToJsLocale("es_419")).toBe("es-419"));
    test("language with Latin script", () => expect(pyToJsLocale("sr@latin")).toBe("sr-Latn"));
    test("language with Cyrillic script", () => expect(pyToJsLocale("sr@Cyrl")).toBe("sr-Cyrl"));
    test("language with region and script", () =>
        expect(pyToJsLocale("sr_RS@latin")).toBe("sr-Latn-RS"));
    test("already converted locale", () => expect(pyToJsLocale("fr-TG")).toBe("fr-TG"));
    test("already converted locale with script", () =>
        expect(pyToJsLocale("sr-Latn")).toBe("sr-Latn"));
    test("undefined locale", () => expect(pyToJsLocale(undefined)).toBe(""));
});

describe("normalize", () => {
    test("diacritics", () => expect(normalize("ž̷̲̺̌a̷̮̳͆̎l̵̯̔̆g̷̭̗̊̑o̷͓̊̓ ̵̜̬̂̅ţ̴̖͒ẹ̵̚x̷̭̪̓t̷̥̒")).toBe("zalgo text"));
    test("diacritics-like", () => expect(normalize("ĦøŧØłð")).toBe("hotold"));
    test("French", () => expect(normalize("éàïœùûîêü")).toBe("eaioeuuieu"));
    test("normalization forms", () =>
        expect(normalize("éÈäÙ".normalize("NFC"))).toBe(normalize("éÈäÙ".normalize("NFD"))));
    test("compatibility equivalence", () => expect(normalize("㎩㎭𝐞")).toBe("parade"));
    test("case folding", () => expect(normalize("Kevin Großkreutz")).toBe("kevin grosskreutz"));
    test("ligatures", () => expect(normalize("ήIJ")).toBe("oeaeij"));
    test("empty string", () => expect(normalize("")).toBe(""));
});

describe("normalizedMatch", () => {
    test("plain ASCII inputs", () => {
        const { start, end, match } = normalizedMatch("Yuchen (yhu)", "yhu");
        expect(match).toBe("yhu");
        expect(start).toBe(8);
        expect(end).toBe(11);
    });
    test("compatibility equivalence", () => {
        const { start, end, match } = normalizedMatch("𝔖𝔥𝔯𝔢𝔨", "SHRE");
        expect(match).toBe("𝔖𝔥𝔯𝔢");
        expect(start).toBe(0);
        expect(end).toBe(8);
        expect("𝔖𝔥𝔯𝔢𝔨".slice(start, end)).toBe(match);
    });
    test("some fancy letters without canonical decomposition", () => {
        const { start, end, match } = normalizedMatch("Bjørn Dæhlie", "ORN DAE");
        expect(start).toBe(2);
        expect(end).toBe(8);
        expect(match).toBe("ørn Dæ");
    });
    describe("ligatures", () => {
        test("in source string", () => {
            const { start, end, match } = normalizedMatch("Richard Cœur de Lion", "coeur");
            expect(start).toBe(8);
            expect(end).toBe(12);
            expect(match).toBe("Cœur");
        });
        test("in substring", () => {
            const { start, end, match } = normalizedMatch("Džemal Bijedić", "dž");
            expect(start).toBe(0);
            expect(end).toBe(2);
            expect(match).toBe("Dž");
        });
        test("substring ends in the middle of a ligature", () => {
            const { start, end, match } = normalizedMatch("Æthelflæd", "aethelfla");
            expect(start).toBe(0);
            expect(end).toBe(8);
            expect(match).toBe("Æthelflæ");
        });
    });
    describe("full case folding", () => {
        test("in source string", () => {
            const { start, end, match } = normalizedMatch("Scleßin", "essi");
            expect(start).toBe(3);
            expect(end).toBe(6);
            expect(match).toBe("eßi");
        });
        test("in substring", () => {
            const { start, end, match } = normalizedMatch("Sclessin", "eßi");
            expect(start).toBe(3);
            expect(end).toBe(7);
            expect(match).toBe("essi");
        });
    });
    describe("diacritics", () => {
        test("accent on last letter", () => {
            const { start, end, match } = normalizedMatch("José Bové", "vé");
            expect(start).toBe(7);
            expect(end).toBe(9);
            expect(match).toBe("vé");
        });
        test("normalization form is preserved", () => {
            const { start, end, match } = normalizedMatch(
                "eĥoŝanĝo ĉiuĵaŭde".normalize("NFD"),
                "EHOSANGO CIUJAUDE"
            );
            expect(start).toBe(0);
            expect(end).toBe(23);
            expect(match).toBe("eĥoŝanĝo ĉiuĵaŭde");
        });
        test("Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn", () => {
            const { start, end, match } = normalizedMatch("N̸̟̤̦̥̦͚̘̟̙͓͚̱͇̱͍̦͓͕̝͈̣̺͔̐͂͑̂̅̇̄̏͐̒̾̋̿̀̐̎̄͗̀͋̈́̉̈́͑̋͊̃̃̃͌̃́̚̚͝͝y̸̢̢̢̧͙̳̫̙̺̝͔̭̲̮͎̦͈͉͚̣̖̞̳͙͚͕̪̘̓̓̇͗͑̈͋͑̅̒̎̄̉̊͌̂̈́̏̚͜ͅͅa̶̧̡͕̝̥̝̳̬̙͔̱͎̠̍͌̓͆̾̔̾͐͌̀̔̀̽̓͐̽͒̌̽̀͗͗͋̉̒̒̎͌͘̚̚͜͝͠ř̴͇͒̀̑̊́̓̈́̎̆̈́̾̅̾̈̃̉̂̄͋̄͑̇̃̽̽͌̐̀̉̃̀͛̂̓̄͑͆̋̌̕͘̚̕͘̕͠͝l̷̢͈̙͕͝a̴̧̨̢̧̧̧̨̨̛̛̰̙̹̭̻̘̤̪͎̯͈͙̻͕̜̹̲͎̜͔̻̟͉̾̾͑́̍͆́͛̍̀͛̂͂͑͒͜͝ţ̵̨̩̞̦̺̯̱̝̻̹̜̩͙̮̤̘̟͉͉̘̩̻̠̻̜͖̗̝͓̝͖͚̜̥͍̠̗̰̦̱͔̤̣̮͔̿̓͒̍̈́̀̔̌̐̉͋̌̋͐̅̈́͘͜ȟ̶̢̧̦͔̞̺̮͎̻̣̪̮̣̱̮̤͇͈͖̮̯̝̩̻̄͂͊̈́͂̀̎́̊͌̒̉̊̓̊̀̂̆̋̚͜͠ǫ̸̤̪̜̲̠͕̮͔̜͔͚̺̠̲͇͓̺̣̣̗̭̠̫̓͗̽͋͘͜͠ţ̸̧̨̨̨̛̛̩̫̫̟̣͍̭̯͕̩͖̝̜̱͖͈̯̺̞̬̮̱̲̦͎̠̤̟̖͓͎̹̦̭̖̲̞̱̹̬̯̗͈̓̈́̎͒̒̔̎͑͐͛̄̊͛́̈́̄̾͛̒̒̑́̎͌̌̏̐̑͗̊̈́̀͌̂̏̀́̚͘͝ȩ̴̨̢̛̛̦̥̤̟̣͇̱̜̥̠̦̻̳̼̣̜̺̼̼̝̳͖͙͍̗̦͕̼̟̟̹̹̝̣̮̜͓̜̼̺̺̈́̍̐̽̔́̾̓̔̅̿̽͊̈͒̊̓̔̏̐̐̽̄̈́͑̌̉̉͘͘p̴̡̡̨̧̛̜̫̠͉̜̯͍̩̠̥̩̣̩̲̦̗͚̗̲͕̾̀͗̊̀̊͛̐̽͌̎̊̎̑̍́̓̒̅̉͗̐̿̊̃͋́͂̍͆͂͘̕͜͠", "nya");
            expect(start).toBe(0);
            expect(end).toBe(115);
            expect(match).toBe("N̸̟̤̦̥̦͚̘̟̙͓͚̱͇̱͍̦͓͕̝͈̣̺͔̐͂͑̂̅̇̄̏͐̒̾̋̿̀̐̎̄͗̀͋̈́̉̈́͑̋͊̃̃̃͌̃́̚̚͝͝y̸̢̢̢̧͙̳̫̙̺̝͔̭̲̮͎̦͈͉͚̣̖̞̳͙͚͕̪̘̓̓̇͗͑̈͋͑̅̒̎̄̉̊͌̂̈́̏̚͜ͅͅa");
        });
    });
    describe("corner cases", () => {
        test("empty source string", () => {
            const { start, end, match } = normalizedMatch("", "Œdipe Roi");
            expect(start).toBe(-1);
            expect(end).toBe(-1);
            expect(match).toBe("");
        });
        test("empty substring", () => {
            const { start, end, match } = normalizedMatch("泽龙", "");
            expect(start).toBe(0);
            expect(end).toBe(0);
            expect(match).toBe("");
        });
        test("empty inputs", () => {
            const { start, end, match } = normalizedMatch("", "");
            expect(start).toBe(0);
            expect(end).toBe(0);
            expect(match).toBe("");
        });
        test("matches last character", () => {
            const { start, end, match } = normalizedMatch("雨晨", "晨");
            expect(start).toBe(1);
            expect(end).toBe(2);
            expect(match).toBe("晨");
        });
    });
});