Crafter.Review/implementations/Crafter.Review-Mcp.cpp

// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®

module Crafter.Review:Mcp_impl;
import :Mcp;
import :Json;
import :Text;
import :Tools;
import std;

namespace fs = std::filesystem;

namespace Crafter::Review::Mcp {
    std::vector<std::string> DefaultArgs() {
        return {"-y", std::format("@playwright/mcp@{}", PlaywrightMcpVersion), "--headless", "--isolated", "--browser", "chromium"};
    }

    Json PlaywrightConfig(const Json& functional, const std::string& outputDir) {
        const Json& mcp = Dyn::Or(Dyn::Get(Dyn::Or(functional, Dyn::EmptyDict()), "mcp"), Dyn::EmptyDict());
        Json args = Json::array();
        const Json& configured = Dyn::Get(mcp, "args");
        if (!configured.is_null()) {
            for (const Json& arg : configured) args.push_back(arg);
        } else {
            for (const std::string& arg : DefaultArgs()) args.push_back(arg);
        }
        if (!Dyn::In(Json("--output-dir"), args)) {
            args.push_back("--output-dir");
            args.push_back(outputDir);
        }
        const Json& command = Dyn::Get(mcp, "command");
        return {{"mcpServers", {{std::string(Tools::McpServer), {{"command", Dyn::Truthy(command) ? command : Json("npx")}, {"args", std::move(args)}}}}}};
    }

    std::string ConfigJson(const Json& config) {
        return DumpCompact(config);
    }

    fs::path OutputDir(const fs::path& scratch, std::string_view label) {
        const fs::path dir = scratch / "playwright" / Dyn::Replace(Dyn::Replace(label, "/", "_"), " ", "_");
        fs::create_directories(dir);
        return dir;
    }
}