// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright notice,
//       this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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import './utils.js';

import {beforeAll, describe, expect, it} from 'vitest';

import {CompilerFinder} from '../lib/compiler-finder.js';
import {ClientOptionsHandler} from '../lib/options-handler.js';
import * as properties from '../lib/properties.js';

const languages = {
    'a-lang': {
        id: 'a-lang',
    },
};

const libs = {
    'a-lang': {
        fmt: {
            versions: {
                trunk: {
                    version: '(trunk)',
                    libPath: '/fmt/trunk/lib',
                },
            },
        },
        catch2: {
            versions: {
                2101: {
                    version: '2.1.0.1',
                    libPath: '/catch2/2.1.0.1/lib/x86_64',
                },
                2102: {
                    version: '2.1.0.2',
                    libPath: '/catch2/2.1.0.2/lib/x86_64',
                },
            },
        },
    },
};

const props = {
    compilers: 'goodCompiler:&badCompiler',
};

const noOptionsAtAll = {
    compilers: 'goodCompiler',
};

const noBaseOptions = {
    compilers: 'goodCompiler',
    options: 'bar',
};

const onlyBaseOptions = {
    compilers: 'goodCompiler',
    baseOptions: 'foo',
};

const bothOptions = {
    compilers: 'goodCompiler',
    baseOptions: 'foo',
    options: 'bar',
};

const supportsLibrariesOptions = {
    compilers: 'goodCompiler',
    supportsLibraries: 'fmt:catch2.2101',
};

describe('Compiler-finder', () => {
    let compilerProps: properties.CompilerProps;

    let noOptionsAtAllProps: properties.CompilerProps;
    let noBaseOptionsProps: properties.CompilerProps;
    let onlyBaseOptionsProps: properties.CompilerProps;
    let bothOptionsProps: properties.CompilerProps;
    let libraryCompilerProps: properties.CompilerProps;

    let optionsHandler: ClientOptionsHandler;

    beforeAll(() => {
        compilerProps = new properties.CompilerProps(languages, properties.fakeProps(props));

        noOptionsAtAllProps = new properties.CompilerProps(languages, properties.fakeProps(noOptionsAtAll));
        noBaseOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(noBaseOptions));
        onlyBaseOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(onlyBaseOptions));
        bothOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(bothOptions));

        libraryCompilerProps = new properties.CompilerProps(languages, properties.fakeProps(supportsLibrariesOptions));

        optionsHandler = {
            get: () => {
                return {
                    libs: libs,
                    tools: {},
                };
            },
        } as unknown as ClientOptionsHandler;
    });

    it('should not hang for undefined groups (Bug #860)', async () => {
        const finder = new CompilerFinder({} as any, compilerProps, {} as any, optionsHandler);
        await expect(finder.getCompilers()).resolves.toHaveLength(1);
    });

    it('should behave properly if no options are provided at all', async () => {
        const finder = new CompilerFinder({} as any, noOptionsAtAllProps, {} as any, optionsHandler);
        const compilers = await finder.getCompilers();
        expect(compilers[0].options).toEqual('');
    });

    it('should behave properly if no base options are provided', async () => {
        const finder = new CompilerFinder({} as any, noBaseOptionsProps, {} as any, optionsHandler);
        const compilers = await finder.getCompilers();
        expect(compilers[0].options).toEqual('bar');
    });

    it('should behave properly if only base options are provided', async () => {
        const finder = new CompilerFinder({} as any, onlyBaseOptionsProps, {} as any, optionsHandler);
        const compilers = await finder.getCompilers();
        expect(compilers[0].options).toEqual('foo');
    });

    it('should behave properly if both options are provided', async () => {
        const finder = new CompilerFinder({} as any, bothOptionsProps, {} as any, optionsHandler);
        const compilers = await finder.getCompilers();
        expect(compilers[0].options).toEqual('foo bar');
    });

    it('should be able to filter libraries', async () => {
        const finder = new CompilerFinder({} as any, libraryCompilerProps, {} as any, optionsHandler);
        const compilers = await finder.getCompilers();
        const libsArr = compilers[0].libsArr;
        expect(libsArr).toEqual(['fmt', 'catch2.2101']);
    });
});
