{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://github.com/beenuar/aisoc/blob/main/playbook.schema.json",
  "title": "AiSOC Playbook",
  "description": "JSON Schema 2020-12 for AiSOC playbook definitions (Pillar 2, v4.0). Portable across file format (YAML / JSON) and CI-lintable.",
  "type": "object",
  "required": ["id", "name", "version", "trigger", "steps"],
  "additionalProperties": false,
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^[a-z0-9][a-z0-9-]{2,62}$",
      "description": "Stable, globally-unique kebab-case identifier."
    },
    "name": { "type": "string", "minLength": 3, "maxLength": 120 },
    "description": { "type": "string", "maxLength": 1000 },
    "version": {
      "type": "string",
      "pattern": "^\\d+\\.\\d+\\.\\d+$",
      "description": "Semantic version string."
    },
    "author": { "type": "string" },
    "tags": {
      "type": "array",
      "items": { "type": "string", "pattern": "^[a-z0-9-]+$" },
      "uniqueItems": true
    },
    "enabled": { "type": "boolean", "default": true },
    "trigger": {
      "type": "object",
      "required": ["on"],
      "additionalProperties": false,
      "properties": {
        "on": {
          "type": "string",
          "enum": ["alert", "case", "schedule", "manual", "webhook"]
        },
        "severity": {
          "type": "array",
          "items": { "type": "string", "enum": ["info", "low", "medium", "high", "critical"] }
        },
        "alert_types": { "type": "array", "items": { "type": "string" } },
        "cron": {
          "type": "string",
          "description": "Cron expression; only valid when on=schedule."
        },
        "filters": {
          "type": "object",
          "description": "Key/value filters applied to the trigger event.",
          "additionalProperties": { "type": "string" }
        }
      }
    },
    "steps": {
      "type": "array",
      "minItems": 1,
      "items": { "$ref": "#/$defs/step" }
    },
    "on_failure": { "$ref": "#/$defs/failure_policy" },
    "timeout_seconds": {
      "type": "integer",
      "minimum": 1,
      "maximum": 86400,
      "default": 3600
    },
    "metadata": {
      "type": "object",
      "description": "Arbitrary key/value metadata; not processed by the engine.",
      "additionalProperties": true
    }
  },

  "$defs": {
    "step": {
      "type": "object",
      "required": ["id", "name", "type"],
      "additionalProperties": false,
      "properties": {
        "id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{1,62}$"
        },
        "name": { "type": "string", "minLength": 1, "maxLength": 120 },
        "type": {
          "type": "string",
          "enum": [
            "trigger",
            "condition",
            "action",
            "loop",
            "parallel",
            "human_approval",
            "wait",
            "notify",
            "enrich",
            "isolate",
            "block",
            "close_case",
            "create_case",
            "run_playbook",
            "script"
          ]
        },
        "description": { "type": "string" },
        "params": {
          "type": "object",
          "description": "Step-type-specific parameters; validated at runtime.",
          "additionalProperties": true
        },
        "condition": { "$ref": "#/$defs/condition_expr" },
        "on_failure": { "$ref": "#/$defs/failure_policy" },
        "retry": { "$ref": "#/$defs/retry_policy" },
        "timeout_seconds": { "type": "integer", "minimum": 1, "maximum": 3600 },
        "depends_on": {
          "type": "array",
          "items": { "type": "string" },
          "description": "Step IDs that must complete before this step starts (DAG edges)."
        },
        "blast_radius": {
          "type": "string",
          "enum": ["dry_run", "reversible", "destructive"],
          "default": "dry_run",
          "description": "Declared impact level; engine enforces analyst approval for destructive steps."
        },
        "output_key": {
          "type": "string",
          "description": "Variable name under which this step's output is stored in the run context."
        }
      }
    },

    "condition_expr": {
      "oneOf": [
        {
          "type": "object",
          "required": ["field", "op", "value"],
          "additionalProperties": false,
          "properties": {
            "field": { "type": "string" },
            "op": {
              "type": "string",
              "enum": ["eq", "ne", "lt", "lte", "gt", "gte", "contains", "startswith", "endswith", "in", "not_in", "exists", "not_exists"]
            },
            "value": {}
          }
        },
        {
          "type": "object",
          "required": ["and"],
          "additionalProperties": false,
          "properties": {
            "and": { "type": "array", "items": { "$ref": "#/$defs/condition_expr" }, "minItems": 2 }
          }
        },
        {
          "type": "object",
          "required": ["or"],
          "additionalProperties": false,
          "properties": {
            "or": { "type": "array", "items": { "$ref": "#/$defs/condition_expr" }, "minItems": 2 }
          }
        },
        {
          "type": "object",
          "required": ["not"],
          "additionalProperties": false,
          "properties": {
            "not": { "$ref": "#/$defs/condition_expr" }
          }
        }
      ]
    },

    "retry_policy": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "max_attempts": { "type": "integer", "minimum": 1, "maximum": 10, "default": 3 },
        "backoff_seconds": { "type": "number", "minimum": 0, "default": 2 },
        "backoff_multiplier": { "type": "number", "minimum": 1, "default": 2 },
        "retry_on": {
          "type": "array",
          "items": { "type": "string" },
          "description": "Exception class names that trigger a retry; empty = retry on any error."
        }
      }
    },

    "failure_policy": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "action": {
          "type": "string",
          "enum": ["abort", "continue", "fallback"],
          "default": "abort"
        },
        "fallback_step": {
          "type": "string",
          "description": "Step ID to jump to when action=fallback."
        },
        "notify": {
          "type": "object",
          "additionalProperties": false,
          "properties": {
            "channel": { "type": "string" },
            "message": { "type": "string" }
          }
        }
      }
    }
  },

  "examples": [
    {
      "id": "phishing-triage-v1",
      "name": "Phishing Email Triage",
      "description": "Enrich sender, notify SOC, auto-close low-risk.",
      "version": "1.0.0",
      "author": "AiSOC Core Team",
      "tags": ["phishing", "email", "triage"],
      "trigger": { "on": "alert", "severity": ["low", "medium"] },
      "steps": [
        {
          "id": "enrich-ip",
          "name": "Enrich sender IP",
          "type": "enrich",
          "params": { "ioc_type": "ip", "providers": ["virustotal", "greynoise"] },
          "blast_radius": "dry_run"
        },
        {
          "id": "notify-soc",
          "name": "Notify SOC channel",
          "type": "notify",
          "params": { "channel": "webhook", "template": "alert_summary" },
          "depends_on": ["enrich-ip"]
        },
        {
          "id": "close-if-clean",
          "name": "Auto-close clean alerts",
          "type": "close_case",
          "condition": { "field": "enrich-ip.malicious_score", "op": "lte", "value": 20 },
          "depends_on": ["notify-soc"],
          "blast_radius": "reversible"
        }
      ]
    }
  ]
}