/**
 * @file OpenAPI fragment for the Artifacts hub (`/api/artifacts/*`, server/routes/artifacts.js)
 * and the Administration page's Server tab (`GET /api/host`, server/routes/host.js).
 * Hand-written from the routes; docs/API.md § Artifacts hub is the long form.
 * @author Nguyễn Ngọc Trí Vĩ <vinnt@smartgift.vn>
 */

const tags = [
  {
    name: "Artifacts",
    description:
      "What agents produced, shared as a SNAPSHOT: a claude.ai page link, a pinned or uploaded file, a skill or a plugin. A viewer reads only the snapshot copy (sandbox CSP, nosniff); an install writes into the caller's own account only. Every write is same-origin.",
  },
  {
    name: "Host",
    description:
      "Administration → Server: the machine's hardware, load, disks and each user's share of CPU and memory. Read-only, staff only in server mode.",
  },
];

const errorCodes =
  "400 EBADURL/EBADPATH/EBADNAME/ENOSKILLMD/ENODESCRIPTION/EBADFIELD/EBADUPLOAD, 403 EFORBIDDEN/ESECRET/EFOREIGN/EINSTALLSOFF/EADMIN, 404 ENOTFOUND/ENOLANE/ENOFILE, 409 EEXISTS/ENOTSHARED/ENOACCOUNT/EUPGRADE, 413 ETOOBIG, 502 EPLUGIN/EMARKETFETCH/ENEEDLOGIN.";

const schemas = {
  Artifact: {
    type: "object",
    properties: {
      id: { type: "string" },
      kind: { type: "string", enum: ["page", "file", "skill", "plugin"] },
      title: { type: "string" },
      description: { type: "string", nullable: true },
      ownerId: { type: "integer", nullable: true },
      owner: { type: "string", nullable: true, description: "Display name or username." },
      mine: { type: "boolean" },
      canChange: { type: "boolean" },
      laneId: { type: "integer", nullable: true },
      sessionId: { type: "string", nullable: true },
      source: { type: "string", nullable: true, description: "Plugin: `name@marketplace`." },
      market: { type: "string", nullable: true, description: "Plugin: owner/repo, git URL or marketplace.json URL." },
      url: { type: "string", nullable: true, description: "Page: a https://claude.ai/… link." },
      files: { type: "array", items: { type: "object" }, description: "The files the snapshot recorded." },
      size: { type: "integer", nullable: true },
      shared: { type: "boolean" },
      sharedAt: { type: "string", nullable: true },
      installs: { type: "integer" },
      createdAt: { type: "string" },
      updatedAt: { type: "string" },
    },
  },
};

const json = (properties, required = []) => ({
  required: true,
  content: { "application/json": { schema: { type: "object", required, properties } } },
});
const multipart = (properties, required = []) => ({
  required: true,
  content: { "multipart/form-data": { schema: { type: "object", required, properties } } },
});
const item = {
  type: "object",
  properties: { item: { $ref: "#/components/schemas/Artifact" } },
};
const items = {
  type: "object",
  properties: { items: { type: "array", items: { $ref: "#/components/schemas/Artifact" } } },
};
const idParam = { name: "id", in: "path", required: true, schema: { type: "string" } };
const laneQuery = { name: "laneId", in: "query", required: false, schema: { type: "integer" } };
const errs = { description: `Error \`{error:{code,message}}\`: ${errorCodes}` };
const created = (schema, description = "Created.") => ({
  201: { description, content: { "application/json": { schema } } },
  400: errs,
});

const paths = {
  "/api/artifacts": {
    get: {
      tags: ["Artifacts"],
      summary: "List artifacts",
      operationId: "listArtifacts",
      description:
        "A developer sees their own rows plus shared ones; staff see every row in `hub` scope.",
      parameters: [
        { name: "scope", in: "query", schema: { type: "string", enum: ["mine", "hub"] } },
        { name: "kind", in: "query", schema: { type: "string", enum: ["page", "file", "skill", "plugin"] } },
        { name: "q", in: "query", schema: { type: "string" } },
        laneQuery,
        { name: "sessionId", in: "query", schema: { type: "string" } },
      ],
      responses: { 200: { description: "`{items}`.", content: { "application/json": { schema: items } } } },
    },
  },
  "/api/artifacts/settings": {
    get: {
      tags: ["Artifacts"],
      summary: "Hub switches and what the caller may do",
      operationId: "getArtifactSettings",
      responses: {
        200: {
          description: "`{serverMode, canShare, installsEnabled, canManage}`.",
          content: {
            "application/json": {
              schema: {
                type: "object",
                properties: {
                  serverMode: { type: "boolean" },
                  canShare: { type: "boolean" },
                  installsEnabled: { type: "boolean" },
                  canManage: { type: "boolean" },
                },
              },
            },
          },
        },
      },
    },
    put: {
      tags: ["Artifacts"],
      summary: "Turn installs on or off (admin; any caller in local mode)",
      operationId: "setArtifactSettings",
      description: "Audited in server mode (Settings → AI tools → Artifacts Hub).",
      requestBody: json({ installsEnabled: { type: "boolean" } }, ["installsEnabled"]),
      responses: {
        200: { description: "`{installsEnabled}`." },
        400: { description: "EBADFIELD" },
        403: { description: "EADMIN / EBADORIGIN" },
      },
    },
  },
  "/api/artifacts/candidates": {
    get: {
      tags: ["Artifacts"],
      summary: "Documents a workspace's sessions wrote (to pin)",
      operationId: "listArtifactCandidates",
      parameters: [laneQuery],
      responses: {
        200: { description: "`{items: [{path, sessionId, at, exists, pinned}]}`." },
        404: errs,
      },
    },
  },
  "/api/artifacts/skills": {
    get: {
      tags: ["Artifacts"],
      summary: "Skills the caller can share (user + workspace)",
      operationId: "listArtifactSkills",
      parameters: [laneQuery],
      responses: { 200: { description: '`{items: [{name, from: "user"|"workspace"}]}`.' } },
    },
  },
  "/api/artifacts/page": {
    post: {
      tags: ["Artifacts"],
      summary: "Add a claude.ai page link",
      operationId: "addArtifactPage",
      description: "Only `https://claude.ai/…` is accepted; one row per owner and link.",
      requestBody: json(
        { url: { type: "string" }, title: { type: "string" }, description: { type: "string" } },
        ["url"]
      ),
      responses: created(item),
    },
  },
  "/api/artifacts/file": {
    post: {
      tags: ["Artifacts"],
      summary: "Pin a workspace file (snapshotted)",
      operationId: "pinArtifactFile",
      description:
        "Read under the download route's guards (`lanePath`, `resolveInLane`, `ESECRET`, ≤ 25 MB) and copied once.",
      requestBody: json(
        {
          laneId: { type: "integer" },
          path: { type: "string" },
          title: { type: "string" },
          sessionId: { type: "string" },
        },
        ["laneId", "path"]
      ),
      responses: created(item),
    },
  },
  "/api/artifacts/file/upload": {
    post: {
      tags: ["Artifacts"],
      summary: "Keep one uploaded file (≤ 25 MB)",
      operationId: "uploadArtifactFile",
      requestBody: multipart({
        files: { type: "string", format: "binary" },
        title: { type: "string" },
        description: { type: "string" },
      }, ["files"]),
      responses: created(item),
    },
  },
  "/api/artifacts/skill": {
    post: {
      tags: ["Artifacts"],
      summary: "Share an existing skill",
      operationId: "addArtifactSkill",
      requestBody: json(
        {
          name: { type: "string" },
          laneId: { type: "integer" },
          title: { type: "string" },
          description: { type: "string" },
        },
        ["name"]
      ),
      responses: created(item),
    },
  },
  "/api/artifacts/skill/upload": {
    post: {
      tags: ["Artifacts"],
      summary: "Skills from files: a file, a folder, a .zip/.skill or several skills",
      operationId: "uploadArtifactSkills",
      description:
        "`paths` is a JSON array of each file's relative path. Zip sizes are read before inflating; nothing is stored if any skill fails.",
      requestBody: multipart({
        files: { type: "array", items: { type: "string", format: "binary" } },
        paths: { type: "string" },
        name: { type: "string" },
        title: { type: "string" },
        description: { type: "string" },
      }, ["files"]),
      responses: created(items),
    },
  },
  "/api/artifacts/skill/new": {
    post: {
      tags: ["Artifacts"],
      summary: "Write a skill in the dialog",
      operationId: "writeArtifactSkill",
      requestBody: json(
        {
          name: { type: "string" },
          description: { type: "string" },
          content: { type: "string" },
          title: { type: "string" },
        },
        ["name", "description", "content"]
      ),
      responses: created({ type: "object", properties: { item: item.properties.item, items: items.properties.items } }),
    },
  },
  "/api/artifacts/plugin/inspect": {
    post: {
      tags: ["Artifacts"],
      summary: "Read a marketplace's plugin list",
      operationId: "inspectArtifactMarket",
      description: "Clones a user-named https link only to read `marketplace.json`; no credential is ever sent.",
      requestBody: json({ market: { type: "string" } }, ["market"]),
      responses: {
        200: { description: "`{market, name, description, plugins: [{name, key, description, version, category}]}`." },
        502: errs,
      },
    },
  },
  "/api/artifacts/plugin": {
    post: {
      tags: ["Artifacts"],
      summary: "Share a plugin from a marketplace",
      operationId: "addArtifactPlugin",
      requestBody: json(
        {
          key: { type: "string", description: "`name@marketplace`." },
          market: { type: "string" },
          title: { type: "string" },
          description: { type: "string" },
        },
        ["key", "market"]
      ),
      responses: created(item),
    },
  },
  "/api/artifacts/{id}": {
    get: {
      tags: ["Artifacts"],
      summary: "One artifact",
      operationId: "getArtifact",
      parameters: [idParam],
      responses: { 200: { description: "`{item}`.", content: { "application/json": { schema: item } } }, 404: errs },
    },
    patch: {
      tags: ["Artifacts"],
      summary: "Rename, describe, share or unshare (owner or admin)",
      operationId: "updateArtifact",
      parameters: [idParam],
      requestBody: json({
        title: { type: "string" },
        description: { type: "string" },
        shared: { type: "boolean" },
        source: { type: "string", description: "Plugin only." },
        market: { type: "string", description: "Plugin only." },
      }),
      responses: { 200: { description: "`{item}`.", content: { "application/json": { schema: item } } }, 403: errs, 404: errs },
    },
    delete: {
      tags: ["Artifacts"],
      summary: "Delete an artifact and its snapshot (owner or admin)",
      operationId: "deleteArtifact",
      parameters: [idParam],
      responses: { 200: { description: "`{ok: true}`." }, 403: errs, 404: errs },
    },
  },
  "/api/artifacts/{id}/raw": {
    get: {
      tags: ["Artifacts"],
      summary: "One recorded file of a snapshot",
      operationId: "getArtifactRaw",
      description:
        "Always served under a `sandbox` CSP with `nosniff`; an unlisted type, or `download=1`, is an attachment. Only a file the snapshot recorded can be named.",
      parameters: [
        idParam,
        { name: "path", in: "query", required: true, schema: { type: "string" } },
        { name: "download", in: "query", schema: { type: "string", enum: ["1"] } },
      ],
      responses: { 200: { description: "The file bytes." }, 400: errs, 404: errs },
    },
  },
  "/api/artifacts/{id}/install": {
    post: {
      tags: ["Artifacts"],
      summary: "Install a shared skill or plugin into the caller's own account",
      operationId: "installArtifact",
      description:
        "A skill goes to the caller's `~/.claude/skills/` (never over an existing one without `replace`; the old one is moved aside). A plugin runs `claude plugin install --scope user` as the caller.",
      parameters: [idParam],
      requestBody: json({ replace: { type: "boolean" } }),
      responses: {
        200: { description: "`{installed, replaced?}`." },
        403: errs,
        409: errs,
        502: errs,
      },
    },
  },
  "/api/host": {
    get: {
      tags: ["Host"],
      summary: "The machine and each user's live share of it",
      operationId: "getHost",
      description:
        "Cached 3 s. `usage` is null off Linux. Server mode: admin/analyst only (403 EADMIN for a developer).",
      responses: {
        200: {
          description:
            "`{at, hostname, os, uptime, cpu, memory, disks, homesMount, gpus, usage}` — see docs/API.md.",
          content: { "application/json": { schema: { type: "object" } } },
        },
        500: { description: "EHOST" },
      },
    },
  },
};

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