/*
Crafter® Build
Copyright (C) 2025 Catcrafts®
Catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 3.0 as published by the Free Software Foundation;

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

module;
#include <stdio.h>
module Crafter.Build:Command_impl;
import :Command;
import std;


namespace Crafter {
    std::string RunCommand(const std::string_view cmd) {
        std::array<char, 128> buffer;
        std::string result;

        std::string with = std::string(cmd) + " 2>&1";
        // Open pipe to file
        FILE* pipe = popen(with.c_str(), "r");
        if (!pipe) throw std::runtime_error("popen() failed!");

        // Read till end of process:
        while (fgets(buffer.data(), buffer.size(), pipe) != nullptr) {
            result += buffer.data();
        }

        // Close pipe
        pclose(pipe);
        return result;
    }

    void RunCommandIgnore(const std::string_view cmd) {
        std::string with = std::string(cmd) + " > /dev/null 2>&1";
        FILE* pipe = popen(with.c_str(), "r");
        if (!pipe) throw std::runtime_error("popen() failed!");
        pclose(pipe);
    }

    CompileException::CompileException(std::vector<CompileError>&& errors) : errors(std::move(errors)) {
        for(CompileError error : errors) {
            message += std::format("File: {}:{}\nMessage: {}\nCode: {}", error.filename, error.line, error.message, error.code);
        }
    };
    const char* CompileException::what() const noexcept {
        return message.c_str();
    }

    void RunClang(const std::string_view cmd) {
        std::cout << cmd << std::endl;
        std::string result = RunCommand(cmd);
        std::cout << result << std::endl;
        // std::vector<CompileError> errors;
        
        // std::regex error_regex(R"((/[^:]+\.cpp):(\d+):\d+: error: (.*)\n\s*[0-9| ]*\s*(.*))");
        // std::smatch match;

        // while (std::regex_search(result, match, error_regex)) {
        //     CompileError error;
        //     error.filename = match[1].str();
        //     error.line = std::stoi(match[2].str());
        //     error.message = match[3].str();
        //     error.code = match[4].str();
        //     errors.push_back(error);
        //     result = match.suffix().str();
        // }

        if(result != "") {
            // if(errors.size() != 0) {
            //     throw CompileException(std::move(errors));
            // } else {
                throw std::runtime_error(result);
            //}
        }
    }
}