import type {
  ProfileMembership,
  ProfileRechargeProduct,
  ProfileWalletLedgerEntry,
  ProfileWalletLedgerResponse,
} from '../../../packages/shared/src/contracts/runtime';

const PROFILE_WALLET_LEDGER_SOURCE_LABELS = {
  new_user_registration_reward: '注册赠送',
  points_recharge: '泥点充值',
  invite_inviter_reward: '邀请奖励',
  invite_invitee_reward: '填写邀请码奖励',
  snapshot_sync: '账户同步',
  membership_period_grant: '会员周期发放',
  membership_period_reset: '会员周期重置',
  daily_free_grant: '每日免费发放',
  daily_free_reset: '每日免费重置',
  asset_operation_consume: '资产操作消耗',
  asset_operation_refund: '资产操作退回',
  redeem_code_reward: '兑换码奖励',
  puzzle_author_incentive_claim: '拼图作者奖励',
  daily_task_reward: '每日任务奖励',
} satisfies Record<ProfileWalletLedgerEntry['sourceType'], string>;

export type ProfileWalletLedgerEntryPresentation = {
  amountLabel: string;
  balanceLabel: string;
  createdAt: string;
  id: string;
  isIncome: boolean;
  sourceLabel: string;
};

export type ProfileWalletLedgerPresentation = {
  balance: number;
  balanceLabel: string;
  entries: ProfileWalletLedgerEntryPresentation[];
};

export function getWalletLedgerSourceLabel(
  sourceType: string | null | undefined,
) {
  const normalizedSourceType = sourceType?.trim() ?? '';
  if (!normalizedSourceType) {
    return '未知来源';
  }

  return (
    PROFILE_WALLET_LEDGER_SOURCE_LABELS[
      normalizedSourceType as ProfileWalletLedgerEntry['sourceType']
    ] ?? normalizedSourceType
  );
}

export function formatWalletLedgerAmount(amountDelta: number) {
  return amountDelta > 0 ? `+${amountDelta}` : `${amountDelta}`;
}

export function buildWalletLedgerEntryPresentation(
  entry: ProfileWalletLedgerEntry,
): ProfileWalletLedgerEntryPresentation {
  return {
    amountLabel: formatWalletLedgerAmount(entry.amountDelta),
    balanceLabel: `余额 ${entry.balanceAfter}`,
    createdAt: entry.createdAt,
    id: entry.id,
    isIncome: entry.amountDelta > 0,
    sourceLabel: getWalletLedgerSourceLabel(entry.sourceType),
  };
}

export function buildWalletLedgerPresentation(
  ledger: ProfileWalletLedgerResponse | null,
  fallbackBalance: number,
): ProfileWalletLedgerPresentation {
  const entries = ledger?.entries ?? [];
  const balance = entries[0]?.balanceAfter ?? fallbackBalance;

  return {
    balance,
    balanceLabel: `${balance}泥点`,
    entries: entries.map(buildWalletLedgerEntryPresentation),
  };
}

export function formatRechargePrice(priceCents: number) {
  const yuan = priceCents / 100;
  return `¥${Number.isInteger(yuan) ? yuan.toFixed(0) : yuan.toFixed(2)}`;
}

function formatMembershipPeriodPrefix(periodDays: number) {
  if (periodDays === 30) {
    return '每月';
  }
  if (periodDays === 7) {
    return '每周';
  }
  if (periodDays > 0) {
    return `每${periodDays}天`;
  }
  return '每周期';
}

export function buildRechargeProductValueLabel(product: ProfileRechargeProduct) {
  if (product.kind === 'membership') {
    const membershipPeriodPoints = product.membershipPeriodPoints;
    const membershipPeriodDays =
      product.membershipPeriodDays > 0
        ? product.membershipPeriodDays
        : product.durationDays;
    return membershipPeriodPoints > 0
      ? `${formatMembershipPeriodPrefix(membershipPeriodDays)}${membershipPeriodPoints}泥点`
      : `${product.durationDays}天`;
  }

  return `${product.pointsAmount}${
    product.bonusPoints > 0 ? `+${product.bonusPoints}` : ''
  }泥点`;
}

export function getMembershipTierLabel(tier: ProfileMembership['tier']) {
  switch (tier) {
    case 'starter':
      return 'Starter';
    case 'basic':
      return 'Basic';
    case 'pro':
      return 'Pro';
    case 'ultimate':
      return 'Ultimate';
    case 'month':
      return '月卡';
    case 'season':
      return '季卡';
    case 'year':
      return '年卡';
    default:
      return '普通用户';
  }
}

export function buildMembershipLabel(
  membership: ProfileMembership | null | undefined,
  formatTime: (value: string) => string,
) {
  if (membership?.status !== 'active') {
    return '普通用户';
  }

  const tierLabel =
    membership.tier === 'normal' ? '会员' : getMembershipTierLabel(membership.tier);
  const resetLabel = membership.cycleResetsAt
    ? ` · ${formatTime(membership.cycleResetsAt)}重置`
    : '';
  if (membership.tier === 'normal') {
    return membership.expiresAt
      ? `会员至 ${formatTime(membership.expiresAt)}${resetLabel}`
      : `会员已生效${resetLabel}`;
  }
  return membership.expiresAt
    ? `${tierLabel} 至 ${formatTime(membership.expiresAt)}${resetLabel}`
    : `${tierLabel} 已生效${resetLabel}`;
}

export function buildMembershipCycleLabel(
  membership: ProfileMembership | null | undefined,
  formatTime: (value: string) => string,
) {
  if (membership?.status !== 'active') {
    return '普通用户';
  }

  if (membership.cycleRemainingPoints > 0) {
    const resetLabel = membership.cycleResetsAt
      ? ` · ${formatTime(membership.cycleResetsAt)}重置`
      : '';
    return `本周期剩余 ${membership.cycleRemainingPoints} 泥点${resetLabel}`;
  }

  return buildMembershipLabel(membership, formatTime);
}