{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/byrongamatos/slopsmith/blob/main/schema/plugin.schema.json",
  "title": "Slopsmith plugin manifest",
  "description": "Schema for plugins/<id>/plugin.json. See docs/plugin-manifest.md for prose. License enum mirrors the curated-plugin allowlist in CONTRIBUTING.md (keep them in sync; tests/test_plugin_schema.py asserts subset).",
  "type": "object",
  "additionalProperties": false,
  "required": ["id", "name"],
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z][a-z0-9_]*(\\.[a-z][a-z0-9_]*)*$",
      "description": "Snake-case identifier. Used to namespace localStorage, the plugin screen id (plugin-<id>), the backend logger (slopsmith.plugin.<id>), and the diagnostics bundle directory. Reverse-DNS form (com.example.foo) is supported via the load_sibling encoding."
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "description": "Human-readable name shown in UI surfaces."
    },
    "version": {
      "type": "string",
      "description": "Plain semver string. Advisory only; the plugin loader does not consume this."
    },
    "private": {
      "type": "boolean",
      "description": "Advisory metadata for plugin authors. Not consumed by the loader."
    },
    "bundled": {
      "type": "boolean",
      "description": "True for plugins shipped in-tree with Slopsmith. Used by tooling that distinguishes built-in plugins from user-installed ones."
    },
    "type": {
      "type": "string",
      "enum": ["visualization"],
      "description": "Role hint (slopsmith#36). 'visualization' makes the plugin eligible for the viz picker; must pair with a window.slopsmithViz_<id> factory."
    },
    "license": {
      "type": "string",
      "description": "SPDX identifier. For curated plugins, must match CONTRIBUTING.md's allowlist.",
      "enum": [
        "AGPL-3.0-only",
        "AGPL-3.0-or-later",
        "GPL-3.0-only",
        "GPL-3.0-or-later",
        "LGPL-3.0-only",
        "LGPL-3.0-or-later",
        "MIT",
        "BSD-2-Clause",
        "BSD-3-Clause",
        "Apache-2.0",
        "ISC",
        "Unlicense",
        "CC0-1.0",
        "0BSD"
      ]
    },
    "nav": {
      "type": "object",
      "additionalProperties": false,
      "required": ["label", "screen"],
      "properties": {
        "label": { "type": "string", "minLength": 1 },
        "screen": { "type": "string", "pattern": "^[a-z][a-z0-9_-]*$" }
      },
      "description": "Adds a navbar entry that calls showScreen(<screen>). Typically screen is 'plugin-<id>'."
    },
    "screen": {
      "type": "string",
      "description": "Relative path to HTML mounted at #plugin-<id>."
    },
    "script": {
      "type": "string",
      "description": "Relative path to JS loaded in global scope on page load. Wrap your code in an IIFE."
    },
    "routes": {
      "type": "string",
      "description": "Relative path to Python module exporting setup(app, context). See docs/plugin-manifest.md."
    },
    "tour": {
      "type": "string",
      "description": "Relative path to tour JSON for the in-app onboarding tour."
    },
    "settings": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "html": {
          "type": "string",
          "description": "Relative path to settings-panel HTML."
        },
        "server_files": {
          "type": "array",
          "items": {
            "type": "string",
            "not": { "pattern": "^/|^[a-zA-Z]:|\\\\|(^|/)\\.\\.(/|$)" },
            "description": "Relpath under context['config_dir']. No abs paths, no '..', no backslashes. Trailing '/' denotes a directory (recurse)."
          },
          "uniqueItems": true,
          "description": "Opt-in for Settings export/import (slopsmith#113). Files included in user-triggered backups. See docs/plugin-manifest.md."
        }
      }
    },
    "diagnostics": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "server_files": {
          "type": "array",
          "items": {
            "type": "string",
            "not": { "pattern": "^/|^[a-zA-Z]:|\\\\|(^|/)\\.\\.(/|$)" }
          },
          "uniqueItems": true,
          "description": "Files copied verbatim into plugins/<id>/<relpath> inside the diagnostics bundle."
        },
        "callable": {
          "type": "string",
          "pattern": "^[a-z][a-z0-9_]*:[A-Za-z_][A-Za-z0-9_]*$",
          "description": "<module>:<function> resolved via load_sibling at export time. Called with {'plugin_id', 'config_dir'} dict; return dict/list/bytes/str."
        }
      },
      "description": "Opt-in for the Export Diagnostics bundle (slopsmith#166). See docs/plugin-diagnostics.md."
    }
  },
  "allOf": [
    {
      "$comment": "type=visualization requires a script (the window.slopsmithViz_<id> factory)",
      "if": { "properties": { "type": { "const": "visualization" } }, "required": ["type"] },
      "then": { "required": ["script"] }
    }
  ]
}