"""系统报价单对外文件名：工单号接后台模板名，并带文件后缀。"""

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.quote_templates.filename import filename_from_render, quote_sheet_filename


class QuoteSheetFilenameTests(unittest.TestCase):
    def test_joins_work_order_and_backend_template_name(self) -> None:
        self.assertEqual(
            quote_sheet_filename("WO202609100001", "陆运国内运输拼车报价单"),
            "WO202609100001陆运国内运输拼车报价单.xlsx",
        )

    def test_drops_suffix_on_template_name(self) -> None:
        self.assertEqual(
            quote_sheet_filename("WO202609100001", "海运报价单模板.xlsx"),
            "WO202609100001海运报价单模板.xlsx",
        )

    def test_pdf_uses_pdf_suffix(self) -> None:
        self.assertEqual(
            quote_sheet_filename("WO202609100001", "默认空运", suffix=".pdf"),
            "WO202609100001默认空运.pdf",
        )

    def test_render_prefers_template_name_over_old_file_name(self) -> None:
        shown = filename_from_render(
            "WO202609100001",
            {
                "templateName": "国内运输拼车报价单",
                "fileName": "WO202609100001_quote.xlsx",
            },
        )
        self.assertEqual(shown, "WO202609100001国内运输拼车报价单.xlsx")

    def test_blank_template_keeps_xlsx_suffix(self) -> None:
        shown = filename_from_render(
            "WO202609100001",
            {"fileName": "WO202609100001_quote.xlsx"},
        )
        self.assertEqual(shown, "WO202609100001_quote.xlsx")