{
  "$schema": "http://json-schema.org/schema#",
  "title": "Schema for modular framework configuration",
  "definitions": {
    "agent_service_index_entry": {
      "type": "object",
      "properties": {
        "service_name": {
          "type": "string",
          "pattern": "^[^.]+[.][^.]+([.][^.]+)*$"
        },
        "agent_url": {"$ref": "#/definitions/component_url" }
      },
      "additionalProperties": false,
      "required": ["service_name", "agent_url"]
    },
    "basemgr": {
      "type": "object",
      "properties": {
        "enable_cobalt": { "type": "boolean", "default": true },
        "use_session_shell_for_story_shell_factory": {
          "type": "boolean",
          "default": false
        },
        "base_shell": { "$ref": "#/definitions/base_shell" },
        "session_shells": {
          "type": "array",
          "items": { "$ref": "#/definitions/session_shell" },
          "maxItems": 1
        },
        "story_shell_url": {
          "$ref": "#/definitions/component_url",
          "default": "fuchsia-pkg://fuchsia.com/dev_story_shell#meta/dev_story_shell.cmx"
        },
        "session_launcher": { "$ref": "#/definitions/component_url_and_args" }
      },
      "additionalProperties": false,
      "oneOf": [
        { "required": ["session_launcher"] },
        { "required": ["session_shells"] }
      ]
    },
    "base_shell": {
      "type": "object",
      "properties": {
        "url": {
          "$ref": "#/definitions/component_url",
          "default": "fuchsia-pkg://fuchsia.com/auto_login_base_shell#meta/auto_login_base_shell.cmx"
        },
        "keep_alive_after_login": { "type": "boolean", "default": false },
        "args": {
          "type": "array",
          "items": { "type": "string" }
        }
      },
      "additionalProperties": false,
      "required": ["url"]
    },
    "component_args": {
      "type": "object",
      "properties": {
        "uri": { "$ref": "#/definitions/component_url" },
        "args": {
          "type": "array",
          "items": { "type": "string" }
        }
      },
      "required": ["uri", "args"]
    },
    "component_url": { "$ref": "#/definitions/uri" },
    "component_url_and_args": {
      "type": "object",
      "properties": {
        "url": { "$ref": "#/definitions/component_url" },
        "args": {
          "type": "array",
          "items": { "type": "string" }
        }
      },
      "required": ["url", "args"]
    },
    "session_shell": {
      "type": "object",
      "properties": {
        "url": {
          "$ref": "#/definitions/component_url",
          "default": "fuchsia-pkg://fuchsia.com/dev_session_shell#meta/dev_session_shell.cmx"
        },
        "display_usage": { "type": "string" },
        "screen_height": { "type": "number" },
        "screen_width": { "type": "number" }
      },
      "additionalProperties": false,
      "required": ["url"]
    },
    "sessionmgr": {
      "type": "object",
      "properties": {
        "enable_cobalt": { "type": "boolean", "default": true },
        "startup_agents": {
          "type": "array",
          "items": { "$ref": "#/definitions/component_url" },
          "uniqueItems": true
        },
        "session_agents": {
          "type": "array",
          "items": { "$ref": "#/definitions/component_url" },
          "uniqueItems": true
        },
        "component_args": {
          "type": "array",
          "items": { "$ref": "#/definitions/component_args" }
        },
        "agent_service_index": {
          "type": "array",
          "items": { "$ref": "#/definitions/agent_service_index_entry" },
          "uniqueItems": true
        },
        "restart_session_on_agent_crash": {
          "type": "array",
          "items": { "$ref": "#/definitions/component_url" },
          "uniqueItems": true
        }
      },
      "additionalProperties": false
    },
    "uri": {
      "type": "string",
      "pattern": "^[a-z|-]+:.+"
    }
  },
  "type": "object",
  "properties": {
    "basemgr": { "$ref": "#/definitions/basemgr" },
    "sessionmgr": { "$ref": "#/definitions/sessionmgr" }
  },
  "required": ["basemgr"],
  "additionalProperties": false
}