import { Injectable } from '@nestjs/common';
import { AccessStore } from '../identity/access.store';
import { DatabaseService } from '../database/database.service';
import type { Principal } from '../identity/identity.types';
import { recordAudit } from '../identity/audit';
import { AppError } from '../common/errors/app-error';
import type { PageInput } from '../identity/identity.schemas';
import type { PricingInput } from './pricing.schema';
@Injectable()
export class PricingStore {
  constructor(
    private readonly db: DatabaseService,
    private readonly access: AccessStore,
  ) {}
  list(actor: Principal, page: PageInput) {
    return this.db.pricingPolicy.findMany({
      where: { organizationId: actor.organizationId },
      take: page.limit,
      skip: page.offset,
      orderBy: [{ createdAt: 'desc' }, { id: 'desc' }],
    });
  }
  create(actor: Principal, input: PricingInput) {
    return this.access.mutate(actor, 'pricing.manage', async (tx) => {
      const policy = await tx.pricingPolicy.create({
        data: { ...input, organizationId: actor.organizationId },
      });
      await recordAudit(
        tx,
        actor.organizationId,
        actor.userId,
        'pricing.created',
        policy.id,
      );
      return policy;
    });
  }
  status(actor: Principal, id: string, active: boolean) {
    return this.access.mutate(actor, 'pricing.manage', async (tx) => {
      const row = await tx.pricingPolicy.findFirst({
        where: { id, organizationId: actor.organizationId },
      });
      if (!row) throw new AppError('PRICING_POLICY_NOT_FOUND');
      if (active)
        await tx.pricingPolicy.updateMany({
          where: {
            organizationId: actor.organizationId,
            currency: row.currency,
            countryCode: row.countryCode,
            region: row.region,
            active: true,
          },
          data: { active: false },
        });
      const updated = await tx.pricingPolicy.update({
        where: { id },
        data: { active },
      });
      await recordAudit(
        tx,
        actor.organizationId,
        actor.userId,
        'pricing.status.changed',
        id,
      );
      return updated;
    });
  }
}