import type { RconStatusResult } from '../integrations/rcon.js';
import type { ServerObservation } from '../../server-observation.js';
import type { ServerRow } from './servers.js';

/** Monitoring and provisioning publish the same complete RCON observation. */
export function successfulStatusFields(
    result: Extract<RconStatusResult, { ok: true }>,
    observedAt: string
): Partial<ServerRow> {
    return {
        last_checked_at: observedAt,
        last_seen_at: observedAt,
        last_players: result.status.players,
        last_map: result.status.map,
        last_gametype: result.status.gametype,
        last_roster: JSON.stringify(result.status.roster),
        last_reply_snippet: null,
        last_error: null,
        rcon_failures: 0
    };
}

/** Occupancy follows the UI's source; only gameplay evidence changes match timing. */
export function activityFields(current: ServerRow, status: ServerObservation): Partial<ServerRow> {
    if (status.health !== 'online' || status.last_players === null) return {};
    return status.last_players > 0
        ? { active_since: current.active_since ?? status.last_seen_at, inactive_since: null }
        : {
              active_since: null,
              inactive_since: current.inactive_since ?? status.last_seen_at
          };
}