{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cityresourcegraph.com/schemas/configuration.json",
  "title": "Application Configuration",
  "description": "Schema for application configuration",
  "type": "object",
  "properties": {
    "environment": {
      "type": "string",
      "enum": ["development", "staging", "production"],
      "description": "Deployment environment"
    },
    "server": {
      "type": "object",
      "properties": {
        "host": {
          "type": "string",
          "default": "0.0.0.0"
        },
        "port": {
          "type": "integer",
          "minimum": 1,
          "maximum": 65535,
          "default": 8080
        },
        "read_timeout": {
          "type": "string",
          "default": "30s",
          "pattern": "^\\d+s$"
        },
        "write_timeout": {
          "type": "string",
          "default": "30s",
          "pattern": "^\\d+s$"
        }
      }
    },
    "database": {
      "type": "object",
      "properties": {
        "neo4j": {
          "type": "object",
          "properties": {
            "uri": {
              "type": "string",
              "format": "uri",
              "pattern": "^neo4j://.+"
            },
            "username": {"type": "string"},
            "password": {"type": "string"},
            "max_connection_pool_size": {
              "type": "integer",
              "default": 100,
              "minimum": 1
            }
          },
          "required": ["uri", "username", "password"]
        },
        "postgresql": {
          "type": "object",
          "properties": {
            "host": {"type": "string"},
            "port": {"type": "integer", "default": 5432},
            "database": {"type": "string"},
            "username": {"type": "string"},
            "password": {"type": "string"},
            "ssl_mode": {
              "type": "string",
              "enum": ["disable", "require", "verify-ca", "verify-full"],
              "default": "require"
            },
            "max_open_connections": {
              "type": "integer",
              "default": 25
            },
            "max_idle_connections": {
              "type": "integer",
              "default": 25
            }
          },
          "required": ["host", "database", "username", "password"]
        }
      }
    },
    "cache": {
      "type": "object",
      "properties": {
        "redis": {
          "type": "object",
          "properties": {
            "address": {
              "type": "string",
              "default": "localhost:6379"
            },
            "password": {"type": "string"},
            "db": {
              "type": "integer",
              "default": 0,
              "minimum": 0
            },
            "pool_size": {
              "type": "integer",
              "default": 10,
              "minimum": 1
            }
          }
        }
      }
    },
    "matching": {
      "type": "object",
      "properties": {
        "default_max_distance_km": {
          "type": "number",
          "default": 25,
          "minimum": 1,
          "maximum": 1000
        },
        "default_min_score": {
          "type": "number",
          "default": 0.3,
          "minimum": 0,
          "maximum": 1
        },
        "cache_ttl_seconds": {
          "type": "integer",
          "default": 900,
          "minimum": 60
        },
        "max_results_per_query": {
          "type": "integer",
          "default": 50,
          "minimum": 1,
          "maximum": 200
        }
      }
    },
    "security": {
      "type": "object",
      "properties": {
        "jwt_secret": {"type": "string", "minLength": 32},
        "jwt_expiry_hours": {
          "type": "integer",
          "default": 24,
          "minimum": 1
        },
        "bcrypt_cost": {
          "type": "integer",
          "default": 12,
          "minimum": 4,
          "maximum": 31
        },
        "cors_allowed_origins": {
          "type": "array",
          "items": {"type": "string", "format": "uri"}
        }
      }
    },
    "features": {
      "type": "object",
      "properties": {
        "real_time_notifications": {
          "type": "boolean",
          "default": true
        },
        "advanced_analytics": {
          "type": "boolean",
          "default": false
        },
        "facilitator_marketplace": {
          "type": "boolean",
          "default": true
        },
        "api_access": {
          "type": "boolean",
          "default": true
        }
      }
    }
  },
  "required": ["environment", "server"],
  "additionalProperties": false
}