// Copyright (c) 2018, 2023, Elliot Saba & Compiler Explorer Authors
// All rights reserved.
//
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import path from 'path';

import type {CompilationResult, ExecutionOptions} from '../../types/compilation/compilation.interfaces.js';
import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {BaseCompiler} from '../base-compiler.js';
import * as utils from '../utils.js';

import {JuliaParser} from './argument-parsers.js';

export class JuliaCompiler extends BaseCompiler {
    private compilerWrapperPath: string;

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

    constructor(info: PreliminaryCompilerInfo, env) {
        super(info, env);
        this.compiler.supportsIrView = true;
        this.compiler.irArg = ['--format=llvm-module'];
        this.compiler.minIrArgs = ['--format=llvm-module'];
        this.compiler.demangler = '';
        this.demanglerClass = null;
        this.compilerWrapperPath =
            this.compilerProps('compilerWrapper', '') ||
            utils.resolvePathFromAppRoot('etc', 'scripts', 'julia_wrapper.jl');
    }

    // No demangling for now
    override postProcessAsm(result) {
        return result;
    }

    override getSharedLibraryPathsAsArguments() {
        return [];
    }

    override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string) {
        return [];
    }

    override getArgumentParser() {
        return JuliaParser;
    }

    override fixExecuteParametersForInterpreting(executeParameters, outputFilename, key) {
        super.fixExecuteParametersForInterpreting(executeParameters, outputFilename, key);
        executeParameters.args.unshift('--');
    }

    override async runCompiler(
        compiler: string,
        options: string[],
        inputFilename: string,
        execOptions: ExecutionOptions & {env: Record<string, string>},
        filters?: ParseFiltersAndOutputOptions,
    ): Promise<CompilationResult> {
        if (!execOptions) {
            execOptions = this.getDefaultExecOptions();
        }

        const dirPath = path.dirname(inputFilename);

        if (!execOptions.customCwd) {
            execOptions.customCwd = dirPath;
        }

        const juliaOptions = [this.compilerWrapperPath, '--'];
        juliaOptions.push(
            ...options,
            options.includes('--format=llvm-module')
                ? this.getIrOutputFilename(inputFilename, filters)
                : this.getOutputFilename(dirPath, this.outputFilebase),
        );

        const execResult = await this.exec(compiler, juliaOptions, execOptions);
        return {
            compilationOptions: juliaOptions,
            ...this.transformToCompilationResult(execResult, inputFilename),
            languageId: this.getCompilerResultLanguageId(filters),
        };
    }
}