/**
 * @file Supplementary OpenAPI 3.0 fragments for the AI Tools routes mounted at
 * `/api/ai-tools` (see server/routes/ai-tools.js + server/lib/ai-tools.js):
 * list the catalog with detection, re-detect after hydrating PATH,
 * enable/disable a tool or make it the default, run an install/update job,
 * read npm version badges, and fetch a tool's server-cached icon. Exports `{ tags, schemas,
 * paths }` for server/openapi-extra.js; schemas are prefixed `AiTools`.
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

const tags = [
  {
    name: "AI Tools",
    description:
      "The catalog of AI coding CLIs a lane can run (server/data/ai-tools/*.json + DASHBOARD_AI_TOOLS_DIR), what is installed on PATH, and the user's enable/default choice",
  },
];

const errorRef = { $ref: "#/components/schemas/AiToolsError" };

const schemas = {
  AiToolsTool: {
    type: "object",
    required: ["id", "label", "installed", "enabled", "source"],
    properties: {
      id: { type: "string", example: "antigravity" },
      label: { type: "string", example: "Antigravity" },
      command: { type: "string", nullable: true, example: "agy" },
      homepageUrl: { type: "string", nullable: true },
      installed: { type: "boolean" },
      path: { type: "string", nullable: true, example: "/home/u/.local/bin/agy" },
      enabled: { type: "boolean" },
      source: { type: "string", enum: ["builtin", "remote", "custom"] },
      launcher: { type: "string", nullable: true, enum: ["claude", "codex", null] },
      prompt: {
        type: "object",
        nullable: true,
        properties: { mode: { type: "string", enum: ["argv", "flag", "after-start"] } },
      },
      resume: { type: "boolean", description: "Offers Resume last session" },
      bypass: { type: "boolean", description: "Offers the per-run Bypass permissions switch" },
      proxyCapable: { type: "boolean", description: "Can use an AI Proxy profile" },
      install: {
        type: "object",
        nullable: true,
        description: "How Install runs: npm install -g <package>@latest, or a vendor script",
        properties: {
          kind: { type: "string", enum: ["npm", "script"] },
          package: { type: "string", example: "@openai/codex" },
          url: { type: "string", example: "https://cursor.com/install" },
        },
      },
      update: {
        type: "object",
        nullable: true,
        properties: {
          kind: { type: "string", enum: ["npm", "script", "self"] },
          args: { type: "array", items: { type: "string" }, description: "self only" },
        },
      },
    },
  },
  AiToolsJob: {
    type: "object",
    properties: {
      id: { type: "integer" },
      tool: { type: "string", nullable: true, description: "null for update-all" },
      action: { type: "string", enum: ["install", "update", "update-all"] },
      status: { type: "string", enum: ["running", "ok", "failed"] },
      startedAt: { type: "string" },
      endedAt: { type: "string", nullable: true },
      exitCode: { type: "integer", nullable: true },
      log: { type: "string", description: "stdout+stderr, last 256 KB" },
    },
  },
  AiToolsView: {
    type: "object",
    required: ["tools", "default"],
    properties: {
      tools: { type: "array", items: { $ref: "#/components/schemas/AiToolsTool" } },
      default: { type: "string", nullable: true, description: "Effective default tool id" },
      catalog: {
        type: "object",
        properties: {
          source: { type: "string", enum: ["builtin", "remote"] },
          tag: { type: "string", nullable: true },
          fetchedAt: { type: "string", nullable: true },
        },
      },
    },
  },
  AiToolsError: {
    type: "object",
    properties: {
      error: {
        type: "object",
        properties: { code: { type: "string" }, message: { type: "string" } },
      },
    },
  },
};

const ok = {
  200: {
    description: "The catalog with detection and the effective default",
    content: { "application/json": { schema: { $ref: "#/components/schemas/AiToolsView" } } },
  },
};

const paths = {
  "/api/ai-tools": {
    get: {
      tags: ["AI Tools"],
      summary: "List the AI Tools catalog",
      description:
        "Every catalog tool with whether it was found on PATH, whether it is enabled, and the effective default (stored default if installed+enabled, else claude, else the first installed enabled tool, else null). Arg arrays are never returned.",
      operationId: "aiToolsList",
      responses: ok,
    },
  },
  "/api/ai-tools/refresh": {
    post: {
      tags: ["AI Tools"],
      summary: "Re-detect installed tools",
      description:
        "Merges the login shell's PATH ($SHELL -ilc, 5 s timeout, off with AGENTHUB_SHELL_PATH=0) into the server's, re-reads the catalog and re-detects. Same-origin only.",
      operationId: "aiToolsRefresh",
      responses: ok,
    },
  },
  "/api/ai-tools/{id}": {
    put: {
      tags: ["AI Tools"],
      summary: "Enable/disable a tool or make it the default",
      description:
        "A disabled tool is hidden from Add lane and a NEW lane for it answers 400 EDISABLED; existing lanes keep working. Disabling the default clears it. Same-origin only.",
      operationId: "aiToolsUpdate",
      parameters: [{ name: "id", in: "path", required: true, schema: { type: "string" } }],
      requestBody: {
        required: true,
        content: {
          "application/json": {
            schema: {
              type: "object",
              properties: {
                enabled: { type: "boolean" },
                default: { type: "boolean", enum: [true] },
              },
            },
          },
        },
      },
      responses: {
        ...ok,
        400: {
          description: "EBADDEFAULT (not installed or disabled) or EBADFIELD",
          content: { "application/json": { schema: errorRef } },
        },
        404: {
          description: "ENOTOOL — unknown id",
          content: { "application/json": { schema: errorRef } },
        },
      },
    },
  },
};

const idParam = [{ name: "id", in: "path", required: true, schema: { type: "string" } }];
const jobStarted = {
  202: {
    description: "The job started; poll GET /api/ai-tools/job",
    content: {
      "application/json": {
        schema: {
          type: "object",
          properties: { job: { $ref: "#/components/schemas/AiToolsJob" } },
        },
      },
    },
  },
};
const jobErr = (description) => ({
  description,
  content: { "application/json": { schema: errorRef } },
});

Object.assign(paths, {
  "/api/ai-tools/{id}/install": {
    post: {
      tags: ["AI Tools"],
      summary: "Install a tool",
      description:
        "Runs the catalog's install (npm install -g <package>@latest with the login shell's npm, or the vendor script downloaded by the server and run with bash). One job at a time. Same-origin only.",
      operationId: "aiToolsInstall",
      parameters: idParam,
      responses: {
        ...jobStarted,
        400: jobErr("ENOINSTALL"),
        404: jobErr("ENOTOOL"),
        409: jobErr("EINSTALLED, ENONPM or EBUSY"),
      },
    },
  },
  "/api/ai-tools/{id}/update": {
    post: {
      tags: ["AI Tools"],
      summary: "Update a tool",
      description:
        "npm update only for a tool whose binary lives under npm's global prefix (else ENOTNPM); a self updater runs the tool's own command. Same-origin only.",
      operationId: "aiToolsUpdateTool",
      parameters: idParam,
      responses: {
        ...jobStarted,
        400: jobErr("ENOUPDATE"),
        404: jobErr("ENOTOOL"),
        409: jobErr("ENOTINSTALLED, ENOTNPM, ENONPM or EBUSY"),
      },
    },
  },
  "/api/ai-tools/update-all": {
    post: {
      tags: ["AI Tools"],
      summary: "Update every tool with an update",
      description:
        "One job: every npm-managed tool with a newer version, then every installed self updater. Same-origin only.",
      operationId: "aiToolsUpdateAll",
      responses: { ...jobStarted, 400: jobErr("ENOTHING"), 409: jobErr("EBUSY") },
    },
  },
  "/api/ai-tools/job": {
    get: {
      tags: ["AI Tools"],
      summary: "The current or last install/update job",
      operationId: "aiToolsJob",
      responses: {
        200: {
          description: "The job, or null",
          content: {
            "application/json": { schema: { $ref: "#/components/schemas/AiToolsJob" } },
          },
        },
      },
    },
  },
  "/api/ai-tools/versions": {
    get: {
      tags: ["AI Tools"],
      summary: "npm version badges",
      description:
        "For installed tools with an npm update: whether npm manages them, the installed and latest version, and updateAvailable. Cached 24 h.",
      operationId: "aiToolsVersions",
      responses: {
        200: {
          description: "Map of tool id to its versions",
          content: {
            "application/json": {
              schema: {
                type: "object",
                additionalProperties: {
                  type: "object",
                  properties: {
                    npmManaged: { type: "boolean" },
                    installed: { type: "string", nullable: true },
                    latest: { type: "string", nullable: true },
                    updateAvailable: { type: "boolean" },
                  },
                },
              },
            },
          },
        },
      },
    },
  },
  "/api/ai-tools/{id}/icon": {
    get: {
      tags: ["AI Tools"],
      summary: "A tool's icon",
      description:
        "The favicon of the tool's faviconDomain (or homepage host), fetched once by the server and cached. Raster only, never SVG; served with nosniff and CSP sandbox.",
      operationId: "aiToolsIcon",
      parameters: idParam,
      responses: {
        200: { description: "The image", content: { "image/*": {} } },
        204: { description: "No icon (the client shows a letter avatar)" },
        404: { description: "Unknown tool id" },
      },
    },
  },
});

module.exports = { tags, schemas, paths };