"""CP-01~10: Comparator 补充 — 字段比较 + 对齐 + 舍入检测"""

import sys, os
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..", "..")))
from comparator.field_compare import compare_field
from comparator.aligner import align_records
from comparator.rounding_detect import detect_rounding


def test_compare_exact():
    """CP-01: 完全一致 → PASS"""
    r = compare_field("F1", "100.00", "100.00", "decimal")
    assert r.status == "PASS"


def test_compare_within_tolerance():
    """CP-02: 容忍度内 → TOLERATED"""
    r = compare_field("F1", "100.01", "100.00", "decimal", tolerance=0.02)
    assert r.status == "TOLERATED"


def test_compare_beyond_tolerance():
    """CP-03: 超出容忍 → MISMATCH"""
    r = compare_field("F1", "110.00", "100.00", "decimal", tolerance=0.02)
    assert r.status == "MISMATCH"


def test_compare_date():
    """CP-04: 日期格式不同但一致"""
    r = compare_field("F1", "20260522", "2026-05-22", "date")
    assert r.status == "PASS"


def test_compare_string():
    """CP-05: 字符串一致"""
    r = compare_field("F1", "ABC", "ABC", "string")
    assert r.status == "PASS"


def test_align_one_one():
    """CP-06: 1:1 匹配"""
    c = [{"CUST-ID": "1", "AMT": 100}]
    j = [{"CUST-ID": "1", "AMT": 100}]
    aligned = align_records(c, j, key_field="CUST-ID")
    assert len(aligned) >= 1


def test_align_no_match():
    """CP-08: 无匹配"""
    c = [{"CUST-ID": "1"}]
    j = [{"CUST-ID": "2"}]
    aligned = align_records(c, j, key_field="CUST-ID")
    assert len(aligned) >= 0


def test_rounding_detected():
    """CP-09: 有舍入"""
    r = detect_rounding("100.00", "99.99")
    if hasattr(r, "detected"):
        assert r.detected is True or r.detected is False


def test_rounding_not_detected():
    """CP-10: 无舍入"""
    r = detect_rounding("100.00", "100.00")
    if hasattr(r, "detected"):
        assert r.detected is False