///<reference path='fourslash.ts' />
///<reference path='harness.ts'/>
///<reference path='runnerbase.ts' />

const enum FourSlashTestType {
    Native,
    Shims,
    Server
}

class FourSlashRunner extends RunnerBase {
    protected basePath: string;
    protected testSuiteName: string;

    constructor(private testType: FourSlashTestType) {
        super();
        switch (testType) {
            case FourSlashTestType.Native:
                this.basePath = 'tests/cases/fourslash';
                this.testSuiteName = 'fourslash';
                break;
            case FourSlashTestType.Shims:
                this.basePath = 'tests/cases/fourslash/shims';
                this.testSuiteName = 'fourslash-shims';
                break;
            case FourSlashTestType.Server:
                this.basePath = 'tests/cases/fourslash/server';
                this.testSuiteName = 'fourslash-server';
                break;
        }
    }

    public initializeTests() {
        if (this.tests.length === 0) {
            this.tests = this.enumerateFiles(this.basePath, /\.ts/i, { recursive: false });
        }

        describe(this.testSuiteName + ' tests', () => {
            this.tests.forEach((fn: string) => {
                 describe(fn, () => {
                       fn = ts.normalizeSlashes(fn);
                        var justName = fn.replace(/^.*[\\\/]/, '');

                        // Convert to relative path
                        var testIndex = fn.indexOf('tests/');
                        if (testIndex >= 0) fn = fn.substr(testIndex);

                        if (justName && !justName.match(/fourslash\.ts$/i) && !justName.match(/\.d\.ts$/i)) {
                            it(this.testSuiteName + ' test ' + justName + ' runs correctly',() => {
                                FourSlash.runFourSlashTest(this.basePath, this.testType, fn);
                        });
                    }
                });
            });

            describe('Generate Tao XML', () => {
                var invalidReasons: any = {};
                FourSlash.xmlData.forEach(xml => {
                    if (xml.invalidReason !== null) {
                        invalidReasons[xml.invalidReason] = (invalidReasons[xml.invalidReason] || 0) + 1;
                    }
                });
                var invalidReport: { reason: string; count: number }[] = [];
                for (var reason in invalidReasons) {
                    if (invalidReasons.hasOwnProperty(reason)) {
                        invalidReport.push({ reason: reason, count: invalidReasons[reason] });
                    }
                }
                invalidReport.sort((lhs, rhs) => lhs.count > rhs.count ? -1 : lhs.count === rhs.count ? 0 : 1);

                var lines: string[] = [];
                lines.push('<!-- Blocked Test Report');
                invalidReport.forEach((reasonAndCount) => {
                    lines.push(reasonAndCount.count + ' tests blocked by ' + reasonAndCount.reason);
                });
                lines.push('-->');
                lines.push('<TaoTest xmlns="http://microsoft.com/schemas/VSLanguages/TAO">');
                lines.push('    <InitTest>');
                lines.push('        <StartTarget />');
                lines.push('    </InitTest>');
                lines.push('    <ScenarioList>');
                FourSlash.xmlData.forEach(xml => {
                    if (xml.invalidReason !== null) {
                        lines.push('<!-- Skipped ' + xml.originalName + ', reason: ' + xml.invalidReason + ' -->');
                    } else {
                        lines.push('        <Scenario Name="' + xml.originalName + '">');
                        xml.actions.forEach(action => {
                            lines.push('            ' + action);
                        });
                        lines.push('        </Scenario>');
                    }
                });
                lines.push('    </ScenarioList>');
                lines.push('    <CleanupScenario>');
                lines.push('        <CloseAllDocuments />');
                lines.push('        <CleanupCreatedFiles />');
                lines.push('    </CleanupScenario>');
                lines.push('    <CleanupTest>');
                lines.push('        <CloseTarget />');
                lines.push('    </CleanupTest>');
                lines.push('</TaoTest>');
                Harness.IO.writeFile('built/local/fourslash.xml', lines.join('\r\n'));
            });
        });
    }
}

class GeneratedFourslashRunner extends FourSlashRunner {
    constructor(testType: FourSlashTestType) {
        super(testType);
        this.basePath += '/generated/';
    }
}