import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  CreateDateColumn,
  UpdateDateColumn,
  OneToMany,
  Index,
} from 'typeorm';
import { CashCount } from './cash-count.entity';

export enum ClosingStatus {
  IN_PROGRESS = 'in_progress',
  PENDING_REVIEW = 'pending_review',
  APPROVED = 'approved',
  REJECTED = 'rejected',
  RECONCILED = 'reconciled',
}

export enum ClosingType {
  SHIFT = 'shift',
  DAILY = 'daily',
  WEEKLY = 'weekly',
  MONTHLY = 'monthly',
}

@Entity('cash_closings', { schema: 'retail' })
@Index(['tenantId', 'branchId', 'closingDate'])
@Index(['tenantId', 'status'])
@Index(['tenantId', 'sessionId'])
export class CashClosing {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column({ name: 'tenant_id', type: 'uuid' })
  @Index()
  tenantId: string;

  @Column({ name: 'branch_id', type: 'uuid' })
  branchId: string;

  @Column({ name: 'register_id', type: 'uuid', nullable: true })
  registerId: string;

  @Column({ name: 'session_id', type: 'uuid', nullable: true })
  sessionId: string;

  @Column({ length: 30, unique: true })
  number: string;

  @Column({
    type: 'enum',
    enum: ClosingType,
    default: ClosingType.SHIFT,
  })
  type: ClosingType;

  @Column({
    type: 'enum',
    enum: ClosingStatus,
    default: ClosingStatus.IN_PROGRESS,
  })
  status: ClosingStatus;

  @Column({ name: 'closing_date', type: 'date' })
  closingDate: Date;

  @Column({ name: 'period_start', type: 'timestamp with time zone' })
  periodStart: Date;

  @Column({ name: 'period_end', type: 'timestamp with time zone' })
  periodEnd: Date;

  // Opening balance
  @Column({ name: 'opening_balance', type: 'decimal', precision: 15, scale: 2, default: 0 })
  openingBalance: number;

  // Expected amounts by payment method
  @Column({ name: 'expected_cash', type: 'decimal', precision: 15, scale: 2, default: 0 })
  expectedCash: number;

  @Column({ name: 'expected_card', type: 'decimal', precision: 15, scale: 2, default: 0 })
  expectedCard: number;

  @Column({ name: 'expected_transfer', type: 'decimal', precision: 15, scale: 2, default: 0 })
  expectedTransfer: number;

  @Column({ name: 'expected_other', type: 'decimal', precision: 15, scale: 2, default: 0 })
  expectedOther: number;

  @Column({ name: 'expected_total', type: 'decimal', precision: 15, scale: 2, default: 0 })
  expectedTotal: number;

  // Counted amounts
  @Column({ name: 'counted_cash', type: 'decimal', precision: 15, scale: 2, nullable: true })
  countedCash: number;

  @Column({ name: 'counted_card', type: 'decimal', precision: 15, scale: 2, nullable: true })
  countedCard: number;

  @Column({ name: 'counted_transfer', type: 'decimal', precision: 15, scale: 2, nullable: true })
  countedTransfer: number;

  @Column({ name: 'counted_other', type: 'decimal', precision: 15, scale: 2, nullable: true })
  countedOther: number;

  @Column({ name: 'counted_total', type: 'decimal', precision: 15, scale: 2, nullable: true })
  countedTotal: number;

  // Differences
  @Column({ name: 'cash_difference', type: 'decimal', precision: 15, scale: 2, nullable: true })
  cashDifference: number;

  @Column({ name: 'card_difference', type: 'decimal', precision: 15, scale: 2, nullable: true })
  cardDifference: number;

  @Column({ name: 'total_difference', type: 'decimal', precision: 15, scale: 2, nullable: true })
  totalDifference: number;

  // Transaction summary
  @Column({ name: 'total_sales', type: 'decimal', precision: 15, scale: 2, default: 0 })
  totalSales: number;

  @Column({ name: 'total_refunds', type: 'decimal', precision: 15, scale: 2, default: 0 })
  totalRefunds: number;

  @Column({ name: 'total_discounts', type: 'decimal', precision: 15, scale: 2, default: 0 })
  totalDiscounts: number;

  @Column({ name: 'net_sales', type: 'decimal', precision: 15, scale: 2, default: 0 })
  netSales: number;

  @Column({ name: 'orders_count', type: 'int', default: 0 })
  ordersCount: number;

  @Column({ name: 'refunds_count', type: 'int', default: 0 })
  refundsCount: number;

  @Column({ name: 'voided_count', type: 'int', default: 0 })
  voidedCount: number;

  // Cash movements
  @Column({ name: 'cash_in_total', type: 'decimal', precision: 15, scale: 2, default: 0 })
  cashInTotal: number;

  @Column({ name: 'cash_out_total', type: 'decimal', precision: 15, scale: 2, default: 0 })
  cashOutTotal: number;

  // Deposit info
  @Column({ name: 'deposit_amount', type: 'decimal', precision: 15, scale: 2, nullable: true })
  depositAmount: number;

  @Column({ name: 'deposit_reference', length: 100, nullable: true })
  depositReference: string;

  @Column({ name: 'deposit_date', type: 'date', nullable: true })
  depositDate: Date;

  // User info
  @Column({ name: 'closed_by', type: 'uuid' })
  closedBy: string;

  @Column({ name: 'reviewed_by', type: 'uuid', nullable: true })
  reviewedBy: string;

  @Column({ name: 'reviewed_at', type: 'timestamp with time zone', nullable: true })
  reviewedAt: Date;

  @Column({ name: 'approved_by', type: 'uuid', nullable: true })
  approvedBy: string;

  @Column({ name: 'approved_at', type: 'timestamp with time zone', nullable: true })
  approvedAt: Date;

  // Notes
  @Column({ name: 'closing_notes', type: 'text', nullable: true })
  closingNotes: string;

  @Column({ name: 'review_notes', type: 'text', nullable: true })
  reviewNotes: string;

  // Detailed breakdown by payment method
  @Column({ name: 'payment_breakdown', type: 'jsonb', nullable: true })
  paymentBreakdown: {
    method: string;
    expected: number;
    counted: number;
    difference: number;
    transactionCount: number;
  }[];

  // Metadata
  @Column({ type: 'jsonb', nullable: true })
  metadata: Record<string, any>;

  @CreateDateColumn({ name: 'created_at' })
  createdAt: Date;

  @UpdateDateColumn({ name: 'updated_at' })
  updatedAt: Date;

  // Relations
  @OneToMany(() => CashCount, (count) => count.closing)
  cashCounts: CashCount[];
}