package com.yau.digitalrmb.institutionidentity;

import com.yau.digitalrmb.institutionidentity.domain.CurrencyGenerationVerification;
import org.junit.jupiter.api.Test;

import java.math.BigDecimal;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

class CurrencyGenerationVerificationDomainTest {
    @Test
    void completesAllStepThreeStatesInOrder() {
        CurrencyGenerationVerification value = value();
        assertThat(value.getStatus()).isEqualTo(CurrencyGenerationVerification.Status.RECEIVED);
        value.verifySignature(true);
        value.verifyDigest("A123456789012345678901234567890123456789012345678901234567890123", true);
        value.verifyQuota(new BigDecimal("500000000.00"), new BigDecimal("495000000.00"),
                new BigDecimal("5000000.00"));
        value.confirm("CENTRAL_FIRST_SM2_KEY", "3044AABB", "20260804210000", "{confirmed:true}");
        value.returnResponse();
        assertThat(value.getStatus()).isEqualTo(CurrencyGenerationVerification.Status.RESPONSE_RETURNED);
        assertThat(value.getSignatureValid()).isTrue();
        assertThat(value.getDigestMatches()).isTrue();
        assertThat(value.getQuotaSufficient()).isTrue();
    }

    @Test
    void rejectsSkippedAndRepeatedOperations() {
        CurrencyGenerationVerification value = value();
        assertThatThrownBy(() -> value.verifyDigest(
                "A123456789012345678901234567890123456789012345678901234567890123", true))
                .isInstanceOf(IllegalStateException.class);
        value.verifySignature(true);
        assertThatThrownBy(() -> value.verifySignature(true)).isInstanceOf(IllegalStateException.class);
    }

    @Test
    void rejectsInvalidSignatureDigestAndInsufficientQuotaWithoutAdvancing() {
        CurrencyGenerationVerification value = value();
        assertThatThrownBy(() -> value.verifySignature(false)).isInstanceOf(IllegalArgumentException.class);
        assertThat(value.getStatus()).isEqualTo(CurrencyGenerationVerification.Status.RECEIVED);
        value.verifySignature(true);
        assertThatThrownBy(() -> value.verifyDigest("BAD", false)).isInstanceOf(IllegalArgumentException.class);
        assertThat(value.getStatus()).isEqualTo(CurrencyGenerationVerification.Status.SIGNATURE_VERIFIED);
        value.verifyDigest("A123456789012345678901234567890123456789012345678901234567890123", true);
        assertThatThrownBy(() -> value.verifyQuota(new BigDecimal("500000000.00"),
                new BigDecimal("499999999.00"), new BigDecimal("1.00")))
                .isInstanceOf(IllegalArgumentException.class);
        assertThat(value.getStatus()).isEqualTo(CurrencyGenerationVerification.Status.DIGEST_VERIFIED);
    }

    private CurrencyGenerationVerification value() {
        return CurrencyGenerationVerification.receive(1L, "message", "ORG_123456789ABC|1598.85|SYS_DC_002|20260804210000",
                "A123456789012345678901234567890123456789012345678901234567890123",
                "3044AABB", "BANK_SECOND_SM2_KEY", new BigDecimal("1598.85"));
    }
}