{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$id": "urn:ksp:schema:std.transport:v1",
    "title": "KSP standard HTTP Transport configuration",
    "type": "object",
    "additionalProperties": false,
    "required": ["format_version", "retry", "default_profile", "profiles"],
    "properties": {
        "format_version": {"const": 1},
        "retry": {"$ref": "#/$defs/retry"},
        "default_profile": {"$ref": "#/$defs/profileId"},
        "profiles": {
            "type": "array",
            "minItems": 1,
            "items": {"$ref": "#/$defs/profile"}
        }
    },
    "$defs": {
        "profileId": {
            "type": "string",
            "pattern": "^[a-z0-9][a-z0-9._-]*$"
        },
        "descriptor": {
            "type": "string",
            "minLength": 1,
            "pattern": "^\\S(?:.*\\S)?$"
        },
        "positiveMs": {
            "type": "integer",
            "minimum": 1,
            "maximum": 4294967295
        },
        "positiveU32": {
            "type": "integer",
            "minimum": 1,
            "maximum": 4294967295
        },
        "retry": {
            "type": "object",
            "additionalProperties": false,
            "required": ["max_retries", "initial_backoff_ms", "max_backoff_ms"],
            "properties": {
                "max_retries": {"type": "integer", "minimum": 0, "maximum": 100},
                "initial_backoff_ms": {"$ref": "#/$defs/positiveMs"},
                "max_backoff_ms": {"$ref": "#/$defs/positiveMs"}
            }
        },
        "limits": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
                "requests_per_second": {"$ref": "#/$defs/positiveU32"},
                "burst_capacity": {"$ref": "#/$defs/positiveU32"},
                "max_concurrent_requests": {"$ref": "#/$defs/positiveU32"},
                "pause_after_rate_limit_ms": {"$ref": "#/$defs/positiveMs"}
            }
        },
        "role": {
            "type": "object",
            "additionalProperties": false,
            "required": ["role", "enabled", "request_kinds", "priority", "limits"],
            "properties": {
                "role": {"$ref": "#/$defs/descriptor"},
                "enabled": {"type": "boolean"},
                "request_kinds": {
                    "type": "array",
                    "minItems": 1,
                    "uniqueItems": true,
                    "items": {"$ref": "#/$defs/descriptor"},
                    "allOf": [
                        {
                            "if": {"contains": {"const": "*"}},
                            "then": {"maxItems": 1}
                        }
                    ]
                },
                "priority": {"type": "integer", "minimum": 0, "maximum": 4294967295},
                "limits": {"$ref": "#/$defs/limits"}
            }
        },
        "endpoint": {
            "type": "object",
            "additionalProperties": false,
            "required": [
                "name",
                "enabled",
                "provider",
                "cluster",
                "url",
                "connect_timeout_ms",
                "request_timeout_ms",
                "roles"
            ],
            "properties": {
                "name": {"$ref": "#/$defs/descriptor"},
                "enabled": {"type": "boolean"},
                "provider": {"$ref": "#/$defs/descriptor"},
                "cluster": {"$ref": "#/$defs/descriptor"},
                "url": {"type": "string", "minLength": 1},
                "connect_timeout_ms": {"$ref": "#/$defs/positiveMs"},
                "request_timeout_ms": {"$ref": "#/$defs/positiveMs"},
                "max_idle_connections_per_host": {"type": "integer", "minimum": 1},
                "roles": {
                    "type": "array",
                    "minItems": 1,
                    "items": {"$ref": "#/$defs/role"}
                }
            }
        },
        "profile": {
            "type": "object",
            "additionalProperties": false,
            "required": ["profile_id", "endpoints"],
            "properties": {
                "profile_id": {"$ref": "#/$defs/profileId"},
                "endpoints": {
                    "type": "array",
                    "minItems": 1,
                    "items": {"$ref": "#/$defs/endpoint"}
                }
            }
        }
    }
}