{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Plugin Manifest Schema",
  "description": "Schema for validating plugin manifest.json files",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique plugin identifier"
    },
    "name": {
      "type": "string",
      "description": "Human-readable plugin name"
    },
    "version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$",
      "description": "Plugin version (semver format)"
    },
    "author": {
      "type": "string",
      "description": "Plugin author name"
    },
    "description": {
      "type": "string",
      "description": "Brief description of what the plugin does"
    },
    "homepage": {
      "type": "string",
      "format": "uri",
      "description": "Plugin homepage URL"
    },
    "entry_point": {
      "type": "string",
      "default": "manager.py",
      "description": "Python file containing the plugin class"
    },
    "class_name": {
      "type": "string",
      "description": "Name of the plugin class"
    },
    "category": {
      "type": "string",
      "description": "Plugin category (e.g., 'sports', 'weather', 'custom')"
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Array of tags for categorization"
    },
    "icon": {
      "type": "string",
      "description": "Icon identifier (e.g., Font Awesome class)"
    },
    "compatible_versions": {
      "type": "array",
      "items": {
        "type": "string",
        "pattern": "^(>=|<=|>|<|~|\\^)?\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$|^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?\\s+-\\s+\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$"
      },
      "minItems": 1,
      "description": "Array of semver ranges specifying compatible LEDMatrix versions (required)"
    },
    "min_ledmatrix_version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$",
      "description": "Optional: Minimum LEDMatrix version required (string)"
    },
    "max_ledmatrix_version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$",
      "description": "Optional: Maximum LEDMatrix version supported (string)"
    },
    "requires": {
      "type": "object",
      "properties": {
        "python": {
          "type": "string",
          "description": "Python version requirement (e.g., '>=3.9')"
        },
        "display_size": {
          "type": "object",
          "properties": {
            "min_width": {
              "type": "integer",
              "minimum": 1
            },
            "min_height": {
              "type": "integer",
              "minimum": 1
            }
          }
        }
      }
    },
    "config_schema": {
      "type": "string",
      "description": "Path to configuration schema file"
    },
    "assets": {
      "type": "object",
      "description": "Asset requirements description"
    },
    "update_interval": {
      "type": "integer",
      "minimum": 1,
      "description": "Update interval in seconds"
    },
    "default_duration": {
      "type": "number",
      "minimum": 1,
      "description": "Default display duration in seconds"
    },
    "display_modes": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Array of display mode names this plugin provides"
    },
    "api_requirements": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "required": {
            "type": "boolean"
          },
          "description": {
            "type": "string"
          },
          "url": {
            "type": "string",
            "format": "uri"
          },
          "rate_limit": {
            "type": "string"
          }
        }
      }
    },
    "download_url_template": {
      "type": "string",
      "format": "uri",
      "description": "URL template for downloading plugin releases (use {version} placeholder)"
    },
    "versions": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "released": {
            "type": "string",
            "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
            "description": "Release date (YYYY-MM-DD format)"
          },
          "version": {
            "type": "string",
            "pattern": "^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$",
            "description": "Plugin version for this entry"
          },
          "ledmatrix_min_version": {
            "type": "string",
            "pattern": "^\\d+\\.\\d+\\.\\d+(-[\\w\\.-]+)?(\\+[\\w\\.-]+)?$",
            "description": "Optional: Minimum LEDMatrix version required for this plugin version (string)"
          }
        },
        "required": ["released", "version"]
      },
      "description": "Array of version history entries"
    },
    "last_updated": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Last update date (YYYY-MM-DD format)"
    },
    "stars": {
      "type": "integer",
      "minimum": 0,
      "description": "Number of stars (for registry)"
    },
    "downloads": {
      "type": "integer",
      "minimum": 0,
      "description": "Number of downloads (for registry)"
    },
    "verified": {
      "type": "boolean",
      "description": "Whether plugin is verified (for registry)"
    },
    "screenshot": {
      "type": "string",
      "description": "Screenshot URL (for registry)"
    },
    "api_version": {
      "type": "string",
      "description": "API version (legacy field)"
    },
    "dependencies": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "description": "Python dependencies (legacy - use requirements.txt instead)"
    },
    "requirements_file": {
      "type": "string",
      "description": "Path to requirements.txt file"
    },
    "website": {
      "type": "string",
      "format": "uri",
      "description": "Plugin website URL (alias for homepage)"
    },
    "license": {
      "type": "string",
      "description": "License type (e.g., 'MIT', 'Apache-2.0')"
    },
    "web_ui_actions": {
      "type": "array",
      "items": {
        "type": "object"
      },
      "description": "Web UI action definitions"
    },
    "ledmatrix_version": {
      "type": "string",
      "description": "Deprecated: Use compatible_versions instead. LEDMatrix version this plugin targets"
    }
  },
  "required": ["id", "name", "version", "author", "entry_point", "class_name", "compatible_versions"]
}