import { exec } from "child_process";
import { promisify } from "util";
import { existsSync } from "fs";
import { join } from "path";
const execAsync = promisify(exec);
export const depManageTool = {
    name: "dep_manage",
    description: "依赖管理。安装/更新/删除依赖、检查过时包、安全漏洞审计、分析 bundle 大小。支持 npm 和 pip。",
    inputSchema: {
        type: "object",
        properties: {
            project_path: {
                type: "string",
                description: "项目根目录（绝对路径）",
            },
            action: {
                type: "string",
                description: "操作类型",
                enum: ["install", "add", "remove", "update", "outdated", "audit", "list", "why"],
            },
            packages: {
                type: "string",
                description: "包名（多个用空格分隔），add/remove/why 时必填",
            },
            dev: {
                type: "boolean",
                description: "是否为开发依赖（默认 false）",
            },
        },
        required: ["project_path", "action"],
    },
};
async function run(cmd, cwd, timeout = 120000) {
    try {
        const { stdout, stderr } = await execAsync(cmd, {
            cwd, timeout,
            maxBuffer: 1024 * 1024 * 10,
            shell: process.platform === "win32" ? "powershell.exe" : "/bin/bash",
        });
        return { stdout, stderr, code: 0 };
    }
    catch (error) {
        return { stdout: error.stdout || "", stderr: error.stderr || "", code: error.code ?? 1 };
    }
}
export async function executeDepManage(args) {
    const { project_path, action, packages, dev = false } = args;
    const hasFile = (name) => existsSync(join(project_path, name));
    const isNode = hasFile("package.json");
    const isPython = hasFile("requirements.txt") || hasFile("pyproject.toml");
    if (!isNode && !isPython) {
        return "❌ 未检测到 package.json 或 requirements.txt";
    }
    let cmd = "";
    let title = "";
    if (isNode) {
        switch (action) {
            case "install":
                cmd = "npm install";
                title = "npm install";
                break;
            case "add":
                if (!packages)
                    return "❌ add 需要 packages 参数";
                cmd = `npm install ${packages}${dev ? " --save-dev" : ""}`;
                title = `npm install ${packages}${dev ? " (dev)" : ""}`;
                break;
            case "remove":
                if (!packages)
                    return "❌ remove 需要 packages 参数";
                cmd = `npm uninstall ${packages}`;
                title = `npm uninstall ${packages}`;
                break;
            case "update":
                cmd = packages ? `npm update ${packages}` : "npm update";
                title = `npm update${packages ? ` ${packages}` : ""}`;
                break;
            case "outdated":
                cmd = "npm outdated --long 2>&1 || true";
                title = "npm outdated（过时依赖检查）";
                break;
            case "audit":
                cmd = "npm audit 2>&1 || true";
                title = "npm audit（安全漏洞审计）";
                break;
            case "list":
                cmd = "npm list --depth=0 2>&1";
                title = "npm list（已安装依赖）";
                break;
            case "why":
                if (!packages)
                    return "❌ why 需要 packages 参数";
                cmd = `npm why ${packages} 2>&1`;
                title = `npm why ${packages}`;
                break;
        }
    }
    else if (isPython) {
        switch (action) {
            case "install":
                cmd = hasFile("requirements.txt") ? "pip install -r requirements.txt" : "pip install -e .";
                title = "pip install";
                break;
            case "add":
                if (!packages)
                    return "❌ add 需要 packages 参数";
                cmd = `pip install ${packages}`;
                title = `pip install ${packages}`;
                break;
            case "remove":
                if (!packages)
                    return "❌ remove 需要 packages 参数";
                cmd = `pip uninstall -y ${packages}`;
                title = `pip uninstall ${packages}`;
                break;
            case "update":
                cmd = packages ? `pip install --upgrade ${packages}` : "pip install --upgrade -r requirements.txt";
                title = `pip upgrade${packages ? ` ${packages}` : ""}`;
                break;
            case "outdated":
                cmd = "pip list --outdated 2>&1";
                title = "pip outdated";
                break;
            case "audit":
                cmd = "pip-audit 2>&1 || pip check 2>&1";
                title = "pip audit / check";
                break;
            case "list":
                cmd = "pip list 2>&1";
                title = "pip list";
                break;
            case "why":
                if (!packages)
                    return "❌ why 需要 packages 参数";
                cmd = `pip show ${packages} 2>&1`;
                title = `pip show ${packages}`;
                break;
        }
    }
    if (!cmd)
        return `❌ 未知操作: ${action}`;
    const result = await run(cmd, project_path);
    const fullOutput = [result.stdout, result.stderr].filter(Boolean).join("\n").trim();
    const icon = result.code === 0 ? "✅" : "⚠️";
    const output = [
        `# ${icon} ${title}`,
        ``,
        `📂 ${project_path}`,
        `📦 ${isNode ? "npm" : "pip"}`,
        ``,
        "```",
        fullOutput.slice(0, 6000) || "(无输出)",
        "```",
    ];
    // audit 额外解析
    if (action === "audit" && isNode) {
        const criticalMatch = fullOutput.match(/(\d+)\s+(critical|high)/gi);
        if (criticalMatch && criticalMatch.length > 0) {
            output.push(``, `⚠️ **发现高危漏洞！** 建议运行 \`npm audit fix\` 或 \`npm audit fix --force\``);
        }
        else if (result.code === 0) {
            output.push(``, `✅ 未发现已知安全漏洞`);
        }
    }
    // outdated 额外解析
    if (action === "outdated" && fullOutput.trim()) {
        const lines = fullOutput.trim().split("\n").filter((l) => l.trim());
        if (lines.length > 1) {
            output.push(``, `📊 发现 ${lines.length - 1} 个可更新的包`);
            output.push(`💡 运行 \`dep_manage action=update\` 更新所有包`);
        }
    }
    return output.join("\n");
}
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