// 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 path from 'node:path';

import Semver from 'semver';

import {splitArguments} from '../../shared/common-utils.js';
import type {ConfiguredOverrides} from '../../types/compilation/compiler-overrides.interfaces.js';
import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {SelectedLibraryVersion} from '../../types/libraries/libraries.interfaces.js';
import {BaseCompiler} from '../base-compiler.js';
import {CompilationEnvironment} from '../compilation-env.js';
import {DartAsmParser} from '../parsers/asm-parser-dart.js';
import * as utils from '../utils.js';
import {BaseParser} from './argument-parsers.js';

export class DartCompiler extends BaseCompiler {
    constructor(info: PreliminaryCompilerInfo, env: CompilationEnvironment) {
        super(info, env);
        this.asm = new DartAsmParser();
    }

    static get key() {
        return 'dart';
    }

    override prepareArguments(
        userOptions: string[],
        filters: ParseFiltersAndOutputOptions,
        backendOptions: Record<string, any>,
        inputFilename: string,
        outputFilename: string,
        libraries: SelectedLibraryVersion[],
        overrides: ConfiguredOverrides,
    ) {
        let options = this.optionsForFilter(filters, outputFilename, userOptions);

        if (this.compiler.options) {
            options = options.concat(splitArguments(this.compiler.options));
        }

        const libIncludes = this.getIncludeArguments(libraries, path.dirname(inputFilename));
        const libOptions = this.getLibraryOptions(libraries);

        userOptions = this.filterUserOptions(userOptions) || [];
        return options.concat(libIncludes, libOptions, userOptions, [this.filename(inputFilename)]);
    }

    override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string, userOptions?: string[]) {
        // Dart includes way too much of the standard library (even for simple programs)
        // to show all of it without truncation
        filters.libraryCode = true;
        // Dart doesn't support emitting assembly
        filters.binary = true;

        const dartCompileIntroduction = '2.10.0';
        if (Semver.lt(utils.asSafeVer(this.compiler.semver), dartCompileIntroduction, true)) {
            return ['-k', 'aot', '-o', this.filename(outputFilename)];
        }
        return ['compile', 'aot-snapshot', '-o', this.filename(outputFilename)];
    }

    override getArgumentParserClass() {
        return BaseParser;
    }
}
