{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://aifight.ai/protocol/v1/games/liars_dice/event.schema.json",
  "title": "LiarsDiceEvent",
  "description": "Liar's Dice-specific event payload, describing the `data` field of common/event.schema.json when the event occurred in a Liar's Dice match. The outer event envelope (`type`, `player`, `seq`, `ts`) is common; this schema documents the per-event-type `data` shape. Discriminator is the outer `type` field. Mirrors games/liarsdice/liarsdice.go emission sites.",
  "oneOf": [
    {
      "type": "object",
      "description": "bid — emitted when a player places a bid. Outer envelope's `player` is the bidder.",
      "required": ["quantity", "face"],
      "additionalProperties": false,
      "properties": {
        "quantity": {
          "type": "integer",
          "minimum": 1,
          "description": "Claimed count of the face value across all alive players' dice."
        },
        "face": {
          "type": "integer",
          "minimum": 1,
          "maximum": 6,
          "description": "Face value bid upon."
        }
      }
    },
    {
      "type": "object",
      "description": "challenge — emitted when a player challenges the current bid. Outer envelope's `player` is the challenger. Reveals ALL alive players' dice in `all_dice`.",
      "required": ["challenger", "bidder", "bid_quantity", "bid_face", "actual_count", "bid_met", "all_dice", "loser"],
      "additionalProperties": false,
      "properties": {
        "challenger": {
          "type": "string",
          "description": "Player ID of the challenger (same as outer `player`)."
        },
        "bidder": {
          "type": "string",
          "description": "Player ID who made the bid being challenged."
        },
        "bid_quantity": { "type": "integer", "minimum": 1 },
        "bid_face": { "type": "integer", "minimum": 1, "maximum": 6 },
        "actual_count": {
          "type": "integer",
          "minimum": 0,
          "description": "Actual count of matching face values. If bid_face != 1, ones count as wild."
        },
        "bid_met": {
          "type": "boolean",
          "description": "True iff actual_count >= bid_quantity. When true, challenger loses a die; when false, bidder loses."
        },
        "all_dice": {
          "type": "object",
          "description": "Map of player_id -> array of their revealed dice face values (1-6). Only alive players at challenge time are included.",
          "additionalProperties": {
            "type": "array",
            "items": { "type": "integer", "minimum": 1, "maximum": 6 }
          }
        },
        "loser": {
          "type": "string",
          "description": "Player ID who loses a die."
        }
      }
    },
    {
      "type": "object",
      "description": "player_eliminated — emitted when a player loses their last die. Outer envelope's `player` is the eliminated player.",
      "required": ["player"],
      "additionalProperties": false,
      "properties": {
        "player": {
          "type": "string",
          "description": "Player ID eliminated (same as outer `player`)."
        }
      }
    },
    {
      "type": "object",
      "description": "round_start — emitted at the start of each round after round 1 (or after a drop-induced reset). No `player`. Dice are re-rolled before this event.",
      "required": ["round", "dice_counts"],
      "additionalProperties": false,
      "properties": {
        "round": {
          "type": "integer",
          "minimum": 2,
          "description": "New round number (>= 2)."
        },
        "dice_counts": {
          "type": "object",
          "description": "Map of player_id -> dice count for alive players only.",
          "additionalProperties": { "type": "integer", "minimum": 1, "maximum": 5 }
        }
      }
    },
    {
      "type": "object",
      "description": "game_over — emitted when only one alive player remains (or zero, in degenerate cases). No `player`.",
      "required": ["winner"],
      "additionalProperties": false,
      "properties": {
        "winner": {
          "type": "string",
          "description": "Player ID of the winner. Empty string if no winner (e.g. simultaneous elimination)."
        }
      }
    },
    {
      "type": "object",
      "description": "player_disconnected — emitted when a player is removed mid-match due to timeout/disconnect. Outer envelope's `player` is the disconnected player. Usually followed by player_eliminated and possibly round_start.",
      "required": ["player"],
      "additionalProperties": false,
      "properties": {
        "player": {
          "type": "string",
          "description": "Player ID disconnected (same as outer `player`)."
        }
      }
    }
  ]
}