// Copyright (c) 2021, Compiler Explorer Authors
// All rights reserved.
//
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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import Semver from 'semver';

import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {asSafeVer} from '../utils.js';

import {ScalaParser} from './argument-parsers.js';
import {JavaCompiler} from './java.js';

export class ScalaCompiler extends JavaCompiler {
    static override get key() {
        return 'scala';
    }

    javaHome: string;

    constructor(compilerInfo: PreliminaryCompilerInfo, env) {
        super(compilerInfo, env);
        this.javaHome = this.compilerProps<string>(`compiler.${this.compiler.id}.java_home`);
    }

    override getDefaultExecOptions() {
        const execOptions = super.getDefaultExecOptions();
        if (this.javaHome) {
            execOptions.env.JAVA_HOME = this.javaHome;
        }

        return execOptions;
    }

    override filterUserOptions(userOptions: string[]) {
        // filter options without extra arguments
        userOptions = userOptions.filter(option => option !== '-Xscript');

        const oneArgForbiddenList = new Set([
            // -d directory
            // Destination for generated class files
            '-d',
        ]);

        // filter options with one argument
        return super.filterUserOptionsWithArg(userOptions, oneArgForbiddenList);
    }

    override optionsForFilter(filters: ParseFiltersAndOutputOptions) {
        // Forcibly enable javap
        filters.binary = true;

        const scala2Opts = ['-Xlint:_'];

        const scala3Opts = ['-deprecation'];

        return Semver.gte(asSafeVer(this.compiler.semver), '3.0.0', true) ? scala3Opts : scala2Opts;
    }

    override getArgumentParser() {
        return ScalaParser;
    }
}