"""
海运运输分类：只认 Port to Port、其他。
"""

from __future__ import annotations

import os
import sys
import unittest

ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
if ROOT not in sys.path:
    sys.path.insert(0, ROOT)

from agent.schema.sea_options import (
    canonicalize_sea_class,
    drop_invented_door_trade_terms,
    harvest_sea_class,
    sea_class_prompt,
)


class SeaOptionsTest(unittest.TestCase):
    def test_port_to_port_aliases(self):
        self.assertEqual(canonicalize_sea_class("Port to Port"), "Port to Port")
        self.assertEqual(canonicalize_sea_class("port to port"), "Port to Port")
        self.assertEqual(canonicalize_sea_class("P2P"), "Port to Port")
        self.assertEqual(canonicalize_sea_class("港到港"), "Port to Port")
        glued = "15件，Port\u00a0to\u00a0Port\n贸易条款：DOOR-DOOR"
        self.assertEqual(canonicalize_sea_class(glued), "Port to Port")
        self.assertEqual(harvest_sea_class(glued, {}).get("运输分类"), "Port to Port")

    def test_other_alias(self):
        self.assertEqual(canonicalize_sea_class("其他"), "其他")
        self.assertEqual(canonicalize_sea_class("其它"), "其他")

    def test_door_to_door_rejected(self):
        self.assertEqual(canonicalize_sea_class("门到门"), "")

    def test_harvest_keeps_current_when_text_has_none(self):
        got = harvest_sea_class("上海到洛杉矶整柜", {"运输分类": "Port to Port"})
        self.assertEqual(got["运输分类"], "Port to Port")

    def test_harvest_overrides_from_text(self):
        got = harvest_sea_class("运输分类：其他", {"运输分类": "Port to Port"})
        self.assertEqual(got["运输分类"], "其他")

    def test_clarify_example_does_not_override_filled_other(self):
        """举例行里的 Port to Port 不能盖掉冒号后的其它/其他。"""
        pasted = "1.运输分类（必填）：其它\n(如：Port to Port、其他）"
        got = harvest_sea_class(pasted, {"运输分类": "Port to Port"})
        self.assertEqual(got["运输分类"], "其他")
        other = harvest_sea_class("运输分类（必填）：其他\n(如：Port to Port、其他）", {})
        self.assertEqual(other["运输分类"], "其他")

    def test_door_to_door_not_kept_as_trade_terms(self):
        text = "海运、纽约港到巴生西港，机器设备，40HQ*1，整柜，1.5KG，15CBM，15件"
        got = drop_invented_door_trade_terms(text, {"贸易条款": "门到门", "品名": "机器设备"})
        self.assertNotIn("贸易条款", got)
        kept = drop_invented_door_trade_terms("贸易条款：门到门", {"贸易条款": "门到门"})
        self.assertEqual(kept["贸易条款"], "门到门")

    def test_wo012_trade_port_class_other(self):
        """条款写 Port to Port、分类写其它：二者各归各栏，禁止互盖。"""
        text = (
            "运输方式：海运\n起运港：纽约港\n目的港：巴生西港\n品名：机器设备\n"
            "货物数量：15件\n整柜或拼柜：整柜\n箱型箱量：40HQ*1\n"
            "贸易条款：Port to Port\n运输分类：其它\n报价日期：2026-09-29"
        )
        got = harvest_sea_class(text, {"贸易条款": "门到门", "运输分类": "Port to Port"})
        self.assertEqual(got.get("运输分类"), "其他")
        got = drop_invented_door_trade_terms(text, {"贸易条款": "门到门", "运输分类": "其他"})
        self.assertEqual(got.get("贸易条款"), "Port to Port")
        self.assertEqual(got.get("运输分类"), "其他")

    def test_trade_line_port_does_not_set_class_when_class_labeled_other(self):
        text = "贸易条款：Port to Port\n运输分类：其它"
        self.assertEqual(harvest_sea_class(text, {}).get("运输分类"), "其他")



if __name__ == "__main__":
    unittest.main()