/**
* Combat state tool handler
*/
import { ErrorCode, McpError } from '@modelcontextprotocol/sdk/types.js';
import type { FoundryClient } from '../../foundry/client.js';
import { logger } from '../../utils/logger.js';
export async function handleGetCombatState(
_args: Record<string, unknown>,
foundryClient: FoundryClient,
) {
try {
const combat = foundryClient.getCombatState();
if (!combat) {
return {
content: [{ type: 'text', text: 'No active combat encounter.' }],
};
}
const combatants = combat.combatants
.sort((a, b) => (b.initiative ?? -999) - (a.initiative ?? -999))
.map((c, i) => {
const current = combat.turn === i ? ' <-- CURRENT' : '';
const status = c.defeated ? ' [DEFEATED]' : c.hidden ? ' [HIDDEN]' : '';
const init = c.initiative !== null ? c.initiative.toString() : '?';
// Try to get HP/AC from worldData if actor is linked
let hpAc = '';
if (c.actorId) {
const actor = foundryClient.getRawActor(c.actorId);
if (actor) {
const hp = actor.system?.attributes as Record<string, unknown> | undefined;
const hpData = hp?.hp as { value?: number; max?: number } | undefined;
const acData = hp?.ac as { value?: number } | undefined;
if (hpData) {
hpAc += ` HP: ${hpData.value ?? '?'}/${hpData.max ?? '?'}`;
}
if (acData) {
hpAc += ` AC: ${acData.value ?? '?'}`;
}
}
}
return `${i + 1}. [${init}] **${c.name}**${hpAc}${status}${current}`;
})
.join('\n');
return {
content: [
{
type: 'text',
text: `**Active Combat** — Round ${combat.round}\n\n${combatants}`,
},
],
};
} catch (error) {
logger.error('Failed to get combat state:', error);
throw new McpError(
ErrorCode.InternalError,
`Failed to get combat state: ${error instanceof Error ? error.message : 'Unknown error'}`,
);
}
}
