import { MODULE_ID } from "../constants.js";

export async function executeApplyStatusAction(action, context) {
  const actor = context.targetTokenDocument?.actor ?? context.tokenDocument?.actor ?? context.targetActor ?? context.actor;
  if (!actor) return { success: false, consumed: false, reason: "NO_ACTOR" };

  const statuses = action.statuses ?? [];
  if (!statuses.length) return { success: false, consumed: false, reason: "NO_STATUSES" };

  const effects = statuses.map(statusId => {
    const statusConfig = getStatusEffectConfig(statusId);

    return {
      name: statusConfig?.name ? game.i18n.localize(statusConfig.name) : statusId,
      icon: statusConfig?.img ?? statusConfig?.icon ?? "icons/svg/aura.svg",
      statuses: [statusId],
      origin: context.reactionOrigin,
      duration: buildEffectDuration(action.duration),
      changes: [],
      flags: {
        [MODULE_ID]: {
          managed: true,
          reactionId: context.reaction.id,
          actionId: action.id
        }
      }
    };
  });

  await actor.createEmbeddedDocuments("ActiveEffect", effects);
  return { success: true, consumed: true };
}

function getStatusEffectConfig(statusId) {
  const statusEffects = CONFIG.statusEffects ?? [];
  if (Array.isArray(statusEffects)) return statusEffects.find(status => status.id === statusId);
  if (statusEffects instanceof Map) return statusEffects.get(statusId) ?? null;
  return Object.values(statusEffects).find(status => status.id === statusId) ?? null;
}

function buildEffectDuration(duration) {
  if (!duration || duration.type === "unlimited") return {};

  if (duration.type === "rounds") {
    return {
      rounds: Number(duration.value) || 1,
      startRound: game.combat?.round,
      startTurn: game.combat?.turn
    };
  }

  if (duration.type === "minutes") {
    return {
      seconds: (Number(duration.value) || 1) * 60,
      startTime: game.time.worldTime
    };
  }

  return {};
}