package com.xly.service;

import org.junit.jupiter.api.Test;
import org.springframework.jdbc.core.JdbcTemplate;

import java.util.List;
import java.util.Map;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
 * 数值/租户的**数据正确性不变量**（审计高危项）：
 * 脏数值宁可报错也不静默写错值；缺租户时不退化成全库查询。
 */
class FormResolverCoerceTest {

    private final FormResolverService resolver = new FormResolverService(mock(JdbcTemplate.class));

    @Test
    void numericCoercionRejectsGarbageInsteadOfWritingZero() {
        assertThrows(IllegalArgumentException.class, () -> resolver.coerce("decimal", "一千"),
                "中文数字曾被写成 0——必须报错");
        assertThrows(IllegalArgumentException.class, () -> resolver.coerce("int", "1k"));
        assertThrows(IllegalArgumentException.class, () -> resolver.coerce("decimal", "abc"));
    }

    @Test
    void numericCoercionKeepsFullValueWithThousandSeparators() {
        assertEquals("1000", resolver.coerce("decimal", "1,000"), "「1,000」曾被截成 1");
        assertEquals("1000", resolver.coerce("decimal", "1，000"));
        assertEquals("12.5", resolver.coerce("decimal", " 12.5 "));
        assertEquals("-3", resolver.coerce("int", "-3"));
    }

    @Test
    void dateCoercionDropsNonDates() {
        assertNull(resolver.coerce("datetime", "12"), "非日期交给 ERP 默认值，不写垃圾");
        assertEquals("2026-07-28", resolver.coerce("date", "2026-07-28"));
    }

    @Test
    void fkOptionsWithoutTenantReturnsEmptyInsteadOfWholeTable() {
        JdbcTemplate jdbc = mock(JdbcTemplate.class);
        when(jdbc.queryForObject(anyString(), any(Class.class), (Object[]) any())).thenReturn(1);
        FormResolverService r = new FormResolverService(jdbc);

        Map<String, Object> page = r.fkOptionPage("elecustomer", null, null, 1, 20);

        assertEquals(0, page.get("total"));
        assertTrue(((List<?>) page.get("rows")).isEmpty(), "拿不到租户就返回空，绝不跨租户全表翻页");
    }
}