package jnpf.bizcommon.audit.service.sign;

/**
 * {@link AuditSignMetaData#parse} 的纯 JVM 断言——覆盖真实生产样本 + 降级路径。
 *
 * <p>骨架与 {@link AuditSignFieldProbe} 同族（mvn -o + javac + 直调 main）。
 * 四条真实样本取自 {@code lims_sign.meta_data}（2026-08-01 只读查询，字段顺序、值均原样保留，
 * 未做任何简化——line-by-line 与库里实际存的 JSON 一致，见 task-6-report.md 的行为验证章节）。
 *
 * <p>runner：{@code tasks/audit-sign-field-checks.sh}
 */
public final class AuditSignMetaDataProbe {

    private static int pass;
    private static int fail;

    /** f_id=853033878464640709，复核动作，is_review_button=true。 */
    private static final String SAMPLE_REVIEW_1 =
            "{\"is_review_button\":true,\"biz_button\":\"复核\",\"biz_data\":[{\"id\":\"852927614623561029\","
            + "\"flowId\":\"\",\"bian_hao\":\"1\",\"beizhu\":\"111\",\"tijiao_ren\":\"349057407209541\","
            + "\"fuhe_ren\":\"817410893825462789\",\"biz_sign\":\"853023946319214277\","
            + "\"fuhe_sign\":\"852927419957524037\"}],\"biz_form_id\":\"852852941198079301\","
            + "\"biz_module\":\"\",\"biz_title\":\"\",\"is_biz_form\":true}";

    /** f_id=853030727456011973，同一张单子的第二次复核提交，形态与上一条一致。 */
    private static final String SAMPLE_REVIEW_2 =
            "{\"is_review_button\":true,\"biz_button\":\"复核\",\"biz_data\":[{\"id\":\"852927614623561029\","
            + "\"flowId\":\"\",\"bian_hao\":\"1\",\"beizhu\":\"111\",\"tijiao_ren\":\"349057407209541\","
            + "\"fuhe_ren\":\"817410893825462789\",\"biz_sign\":\"853023946319214277\","
            + "\"fuhe_sign\":\"852927419957524037\"}],\"biz_form_id\":\"852852941198079301\","
            + "\"biz_module\":\"\",\"biz_title\":\"\",\"is_biz_form\":true}";

    /** f_id=853027186830096069，批量按钮、非复核，biz_data 是列表行快照（多个 *_jnpfId 影子字段）。 */
    private static final String SAMPLE_BATCH_BUTTON =
            "{\"is_review_button\":false,\"biz_button\":\"批量按钮\",\"biz_data\":[{\"bian_hao_jnpfId\":\"1\","
            + "\"flowTaskId\":\"852927614623561029\",\"tijiao_ren_jnpfId\":\"349057407209541\","
            + "\"beizhu_jnpfId\":\"111\",\"biz_sign_jnpfId\":null,\"biz_sign\":null,\"bian_hao\":\"1\","
            + "\"f_flow_task_id\":\"852927614623561029\",\"tijiao_ren\":\"管理员/admin\","
            + "\"fuhe_ren\":\"wuyong/wuyong\",\"fuhe_ren_jnpfId\":\"817410893825462789\",\"fuhe_sign\":null,"
            + "\"fuhe_sign_jnpfId\":null,\"f_version\":2,\"beizhu\":\"111\",\"f_id\":\"852927614623561029\","
            + "\"id\":\"852927614623561029\",\"_id\":null,\"f_flow_id\":null,\"flowId\":null}],"
            + "\"biz_form_id\":\"852852941198079301\",\"biz_module\":\"\",\"biz_title\":\"\","
            + "\"is_biz_form\":false}";

    /** f_id=853026858244126405，列表按钮、非复核——与批量按钮样本仅 biz_button 不同，其余同构。 */
    private static final String SAMPLE_LIST_BUTTON =
            "{\"is_review_button\":false,\"biz_button\":\"列表按钮\",\"biz_data\":[{\"bian_hao_jnpfId\":\"1\","
            + "\"flowTaskId\":\"852927614623561029\",\"tijiao_ren_jnpfId\":\"349057407209541\","
            + "\"beizhu_jnpfId\":\"111\",\"biz_sign_jnpfId\":null,\"biz_sign\":null,\"bian_hao\":\"1\","
            + "\"f_flow_task_id\":\"852927614623561029\",\"tijiao_ren\":\"管理员/admin\","
            + "\"fuhe_ren\":\"wuyong/wuyong\",\"fuhe_ren_jnpfId\":\"817410893825462789\",\"fuhe_sign\":null,"
            + "\"fuhe_sign_jnpfId\":null,\"f_version\":2,\"beizhu\":\"111\",\"f_id\":\"852927614623561029\","
            + "\"id\":\"852927614623561029\",\"_id\":null,\"f_flow_id\":null,\"flowId\":null}],"
            + "\"biz_form_id\":\"852852941198079301\",\"biz_module\":\"\",\"biz_title\":\"\","
            + "\"is_biz_form\":false}";

    public static void main(String[] args) {
        realReviewSamplesParseCorrectly();
        realNonReviewSamplesParseCorrectly();
        nullAndBlankReturnEmpty();
        malformedJsonNeverThrows();
        missingKeysDegradeGracefully();
        blankBizButtonTreatedAsAbsent();
        System.out.println("=== meta_data 动作语义断言：" + pass + " 通过 / " + fail + " 失败 ===");
        if (fail > 0) {
            System.exit(1);
        }
    }

    /** M1 真实复核样本：biz_button="复核"、is_review_button=true、rawBizData 非空。 */
    private static void realReviewSamplesParseCorrectly() {
        for (String json : new String[] {SAMPLE_REVIEW_1, SAMPLE_REVIEW_2}) {
            AuditSignMetaData md = AuditSignMetaData.parse(json);
            check("M1 复核样本 biz_button=复核", "复核".equals(md.bizButton()), "实际 " + md.bizButton());
            check("M1 复核样本 isReviewButton=true", md.isReviewButton(), "实际 " + md.isReviewButton());
            check("M1 复核样本 rawBizData 非空", md.rawBizData() != null, "实际 null");
        }
    }

    /** M2 真实非复核样本（批量按钮/列表按钮）：is_review_button=false，按钮名各自透传。 */
    private static void realNonReviewSamplesParseCorrectly() {
        AuditSignMetaData batch = AuditSignMetaData.parse(SAMPLE_BATCH_BUTTON);
        check("M2 批量按钮样本 biz_button=批量按钮", "批量按钮".equals(batch.bizButton()), "实际 " + batch.bizButton());
        check("M2 批量按钮样本 isReviewButton=false", !batch.isReviewButton(), "实际 " + batch.isReviewButton());

        AuditSignMetaData list = AuditSignMetaData.parse(SAMPLE_LIST_BUTTON);
        check("M2 列表按钮样本 biz_button=列表按钮", "列表按钮".equals(list.bizButton()), "实际 " + list.bizButton());
        check("M2 列表按钮样本 isReviewButton=false", !list.isReviewButton(), "实际 " + list.isReviewButton());
    }

    /** M3 null / 空串 / 纯空白：一律返回 EMPTY，三个 getter 都是「拿不到」的零值。 */
    private static void nullAndBlankReturnEmpty() {
        for (String json : new String[] {null, "", "   "}) {
            AuditSignMetaData md = AuditSignMetaData.parse(json);
            check("M3 null/空串/空白 → EMPTY", md == AuditSignMetaData.EMPTY, "json=[" + json + "] 实际未返回 EMPTY 实例");
            check("M3 EMPTY.bizButton()==null", md.bizButton() == null, "实际 " + md.bizButton());
            check("M3 EMPTY.isReviewButton()==false", !md.isReviewButton(), "实际 " + md.isReviewButton());
            check("M3 EMPTY.rawBizData()==null", md.rawBizData() == null, "实际 " + md.rawBizData());
        }
    }

    /** M4 非 JSON 字符串：解析失败必须降级为 EMPTY，绝不能抛异常炸穿调用方（brief 硬约束）。 */
    private static void malformedJsonNeverThrows() {
        String[] garbage = {"{not json", "not even braces", "{\"a\":}", "[]", "null", "123"};
        for (String json : garbage) {
            try {
                AuditSignMetaData md = AuditSignMetaData.parse(json);
                check("M4 非法 JSON 不抛异常，返回非空对象 [" + json + "]", md != null, "实际 null");
            } catch (Throwable t) {
                fail++;
                System.out.println("  ❌ M4 非法 JSON 抛出异常 [" + json + "] —— " + t);
            }
        }
    }

    /** M5 合法 JSON 但没有 biz_button/is_review_button 键：降级为拿不到，不是抛异常也不是瞎猜。 */
    private static void missingKeysDegradeGracefully() {
        AuditSignMetaData md = AuditSignMetaData.parse("{\"foo\":\"bar\"}");
        check("M5 缺键时 bizButton()==null", md.bizButton() == null, "实际 " + md.bizButton());
        check("M5 缺键时 isReviewButton()==false", !md.isReviewButton(), "实际 " + md.isReviewButton());
    }

    /** M6 biz_button 为空串：视同「拿不到」返回 null，而不是把空串当成一个有效按钮名往下传。 */
    private static void blankBizButtonTreatedAsAbsent() {
        AuditSignMetaData md = AuditSignMetaData.parse("{\"biz_button\":\"\",\"is_review_button\":false}");
        check("M6 biz_button 空串 → bizButton()==null", md.bizButton() == null, "实际 [" + md.bizButton() + "]");
    }

    private static void check(String name, boolean ok, String detail) {
        if (ok) {
            pass++;
            System.out.println("  ✅ " + name);
        } else {
            fail++;
            System.out.println("  ❌ " + name + " —— " + detail);
        }
    }
}