import { runTests } from "@root/test-utils/eslint-rule-tester";
import noStringLengthCheck from "@root/rules/no-string-length-check";

const validCases = {
    valid: [
        {
            code: "const foo = bar ? bar : baz;",
        },
        {
            code: "const foo = bar ?? baz;",
        },
        {
            code: "if (str) { console.log('not empty'); }",
        },
        {
            code: "const result = str ? 'has value' : 'empty';",
        },
        {
            code: "const hasValue = !!str;",
        },
        {
            code: "const len = str.length;",
        },
        {
            code: "console.log(str.length);",
        },
        {
            code: "const result = str.length + 5;",
        },
        {
            code: "for (let i = 0; i < str.length; i++) { }",
        },
        {
            code: "const arr = [1, 2, 3]; if (arr.length) { console.log('has elements'); }",
        },
        {
            code: "const arr = new Array(3); if (arr.length) { console.log('has elements'); }",
        },
    ],
};

const invalidCases = {
    invalid: [
        {
            code: "if (str.length) { console.log('not empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length === 0) { console.log('empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length !== 0) { console.log('not empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length == 0) { console.log('empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length != 0) { console.log('not empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length > 0) { console.log('not empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length < 1) { console.log('empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "if (str.length >= 1) { console.log('not empty'); }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "const result = str.length ? 'has value' : 'empty';",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "const hasValue = !!str.length;",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "return str.length;",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "while (str.length) { break; }",
            errors: [{ messageId: "noStringLength" }],
        },
        {
            code: "do { break; } while (str.length);",
            errors: [{ messageId: "noStringLength" }],
        },
    ],
};

const testCases = [validCases, invalidCases];
runTests("no-string-length-check", noStringLengthCheck, testCases);