# -*- coding: utf-8 -*-
"""
Platform resolution tests.
"""
import pytest


class TestPlatformResolution:
    """Platform key resolution: key / display_name / aliases -> canonical key."""

    def test_maersk_key(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("maersk") == "maersk"

    def test_maersk_alias_chinese(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("马士基") == "maersk"

    def test_maersk_alias_upper(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("MAERSK") == "maersk"

    def test_cma_cgm_key(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("cma_cgm") == "cma_cgm"

    def test_cma_cgm_alias_chinese(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("达飞") == "cma_cgm"

    def test_cma_cgm_alias_display(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("CMA CGM") == "cma_cgm"

    def test_deepseek_key(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("deepseek") == "deepseek"

    def test_deepseek_alias_capitalize(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("DeepSeek") == "deepseek"

    def test_unknown_returns_none(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("not_a_platform_xyz") is None

    def test_empty_returns_none(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("") is None
        assert resolve_platform_key(None) is None

    def test_list_platforms_all(self):
        from util.platforms import list_platforms
        all_plat = list_platforms()
        assert any(p["platform_key"] == "maersk" for p in all_plat)
        assert any(p["platform_key"] == "deepseek" for p in all_plat)
        assert any(p["platform_key"] == "sohu" for p in all_plat)

    def test_list_platforms_logistics_only(self):
        from util.platforms import list_platforms
        log_plat = list_platforms("logistics")
        assert any(p["platform_key"] == "maersk" for p in log_plat)
        assert any(p["platform_key"] == "cma_cgm" for p in log_plat)
        assert not any(p["platform_key"] == "deepseek" for p in log_plat)

    def test_list_platforms_llm_only(self):
        from util.platforms import list_platforms
        llm_plat = list_platforms("llm")
        assert any(p["platform_key"] == "deepseek" for p in llm_plat)
        assert any(p["platform_key"] == "doubao" for p in llm_plat)
        assert not any(p["platform_key"] == "maersk" for p in llm_plat)

    def test_evergreen_key(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("evergreen") == "evergreen"

    def test_evergreen_alias_chinese(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("长荣") == "evergreen"

    def test_cargo_wise_key(self):
        from util.platforms import resolve_platform_key
        assert resolve_platform_key("cargo_wise") == "cargo_wise"