activityLabels.ts

import type { ActivityActionTag } from '../soroban/types';

export interface ActivityActionMeta {
  label: string;
  icon: string;
  colorClass: string;
}

export const ACTIVITY_ACTION_META: Record<ActivityActionTag, ActivityActionMeta> = {
  CampaignCreated:       { label: 'Campaign created',        icon: '🌱', colorClass: 'activity-tag--created' },
  CampaignFunded:        { label: 'Campaign funded',         icon: '💰', colorClass: 'activity-tag--funded' },
  CampaignStatusChanged: { label: 'Status changed',          icon: '🔄', colorClass: 'activity-tag--status' },
  FundsReleased:         { label: 'Funds released',          icon: '🏦', colorClass: 'activity-tag--released' },
  HarvestReported:       { label: 'Harvest reported',        icon: '🌾', colorClass: 'activity-tag--harvest' },
  DisputeInitiated:      { label: 'Dispute initiated',       icon: '⚠️', colorClass: 'activity-tag--dispute' },
  DisputeResolved:       { label: 'Dispute resolved',        icon: '✅', colorClass: 'activity-tag--resolved' },
  CampaignSettled:       { label: 'Campaign settled',        icon: '🎯', colorClass: 'activity-tag--settled' },
  FarmerRegistered:      { label: 'Farmer registered',       icon: '👤', colorClass: 'activity-tag--farmer' },
  CampaignRegistered:    { label: 'Campaign registered',     icon: '📋', colorClass: 'activity-tag--registered' },
};

export function getActivityMeta(tag: ActivityActionTag): ActivityActionMeta {
  return ACTIVITY_ACTION_META[tag] ?? { label: tag, icon: '•', colorClass: '' };
}

/** Returns a human-readable sentence for a given action + actor pair. */
export function formatActivityLine(tag: ActivityActionTag, actor: string, campaignId?: bigint): string {
  const short = `${actor.slice(0, 6)}…${actor.slice(-4)}`;
  const camp = campaignId !== undefined ? ` on Campaign #${campaignId}` : '';

  switch (tag) {
    case 'CampaignCreated':       return `${short} created a new campaign${camp}`;
    case 'CampaignFunded':        return `${short} funded campaign${camp}`;
    case 'CampaignStatusChanged': return `Status updated${camp} by ${short}`;
    case 'FundsReleased':         return `Funds released${camp} to ${short}`;
    case 'HarvestReported':       return `${short} reported harvest${camp}`;
    case 'DisputeInitiated':      return `${short} opened a dispute${camp}`;
    case 'DisputeResolved':       return `Dispute resolved${camp} by ${short}`;
    case 'CampaignSettled':       return `Campaign settled${camp} by ${short}`;
    case 'FarmerRegistered':      return `Farmer ${short} registered on the platform`;
    case 'CampaignRegistered':    return `Campaign${camp} registered in the registry`;
    default:                      return `Activity by ${short}${camp}`;
  }
}