/*
Crafter® Build
Copyright (C) 2026 Catcrafts®
Catcrafts.net

LGPL-3.0-only.

Verifies that when an executable consumes a library that registers a shader,
the resulting .spv ships in the executable's bin dir alongside the binary —
not just in the lib's own bin dir, where the runtime exe wouldn't find it.
*/

import std;
import Crafter.Build;
#include "../_shared/TestUtil.h"
namespace fs = std::filesystem;
using namespace TestUtil;
using namespace Crafter;

int main() {
    try {
        fs::path src = fs::current_path() / "tests" / "ShaderDep" / "inner";
        Configuration cfg = LoadFixture("ShaderDep", src);

        auto br = BuildOnce(cfg);
        if (!br.result.empty()) {
            std::println(std::cerr, "build failed:\n{}", br.result);
            return 1;
        }

        fs::path libSpv = cfg.dependencies[0]->BinDir() / "triangle.spv";
        fs::path appSpv = cfg.BinDir() / "triangle.spv";

        if (!fs::exists(libSpv)) {
            std::println(std::cerr, "lib .spv missing at {}", libSpv.string());
            return 1;
        }
        if (!fs::exists(appSpv)) {
            std::println(std::cerr, "exe .spv missing at {}", appSpv.string());
            return 1;
        }

        std::ifstream f(appSpv, std::ios::binary);
        unsigned char magic[4] = {};
        f.read(reinterpret_cast<char*>(magic), 4);
        if (magic[0] != 0x03 || magic[1] != 0x02 || magic[2] != 0x23 || magic[3] != 0x07) {
            std::println(std::cerr,
                "SPIR-V magic mismatch in exe-side copy: got {:#04x} {:#04x} {:#04x} {:#04x}",
                magic[0], magic[1], magic[2], magic[3]);
            return 1;
        }

        return 0;
    } catch (const std::exception& e) {
        std::println(std::cerr, "test exception: {}", e.what());
        return 1;
    }
}