from app.core.project_permissions import PROJECT_PERMISSION_MODULES, normalize_permission_matrix


def test_normalize_permission_matrix_makes_admin_fixed_full_access():
    matrix = normalize_permission_matrix({"ADMIN": {}})

    for module in PROJECT_PERMISSION_MODULES:
        assert matrix["ADMIN"][module["key"]] == {
            "read": True,
            "write": module.get("writable") is not False,
        }


def test_normalize_permission_matrix_keeps_admin_fixed_even_when_disabled():
    payload = {
        "ADMIN": {
            module["key"]: {"read": False, "write": False}
            for module in PROJECT_PERMISSION_MODULES
        }
    }

    matrix = normalize_permission_matrix(payload)

    for module in PROJECT_PERMISSION_MODULES:
        assert matrix["ADMIN"][module["key"]] == {
            "read": True,
            "write": module.get("writable") is not False,
        }


def test_normalize_permission_matrix_write_implies_read():
    matrix = normalize_permission_matrix({
        "CRA": {
            "subjects": {"read": False, "write": True},
        }
    })

    assert matrix["CRA"]["subjects"] == {"read": True, "write": True}


def test_business_permission_modules_follow_project_menu():
    module_labels = [module["label"] for module in PROJECT_PERMISSION_MODULES]

    assert module_labels == [
        "项目成员",
        "中心管理",
        "审计日志导出",
        "项目总览",
        "项目里程碑",
        "合同费用管理",
        "物资管理",
        "文件版本管理",
        "立项与伦理",
        "启动与授权",
        "参与者管理",
        "风险问题",
        "监查稽查",
        "eTMF",
        "FAQ",
        "共享库",
    ]


def test_default_business_permissions_match_role_responsibilities():
    matrix = normalize_permission_matrix()

    assert matrix["PM"]["project_members"] == {"read": True, "write": True}
    assert matrix["PM"]["sites"] == {"read": True, "write": True}
    assert matrix["CRA"]["project_members"] == {"read": False, "write": False}
    assert matrix["CRA"]["audit_export"] == {"read": False, "write": False}
    assert matrix["PV"]["sites"] == {"read": False, "write": False}
    assert matrix["IMP"]["audit_export"] == {"read": False, "write": False}
    assert matrix["QA"]["audit_export"] == {"read": False, "write": False}
    assert matrix["CRA"]["project_milestones"] == {"read": True, "write": True}
    assert matrix["CRA"]["subjects"] == {"read": True, "write": True}
    assert matrix["CRA"]["monitoring_audit"] == {"read": True, "write": True}
    assert matrix["PV"]["risk_issues"] == {"read": True, "write": True}
    assert matrix["IMP"]["materials"] == {"read": True, "write": True}
    assert matrix["PM"]["faq"] == {"read": True, "write": True}
    assert matrix["CRA"]["faq"] == {"read": True, "write": True}
    assert matrix["PM"]["project_overview"] == {"read": True, "write": False}
    assert matrix["CRA"]["project_overview"] == {"read": True, "write": False}
    assert matrix["PM"]["shared_library"] == {"read": True, "write": True}
    assert matrix["CRA"]["shared_library"] == {"read": True, "write": True}


def test_project_overview_is_read_only_even_when_write_is_submitted():
    matrix = normalize_permission_matrix({
        "CRA": {
            "project_overview": {"read": False, "write": True},
        }
    })

    assert matrix["CRA"]["project_overview"] == {"read": True, "write": False}


def test_pm_can_be_granted_management_backend_permissions():
    matrix = normalize_permission_matrix({
        "PM": {
            "project_members": {"read": True, "write": True},
            "sites": {"read": True, "write": True},
            "audit_export": {"read": True, "write": True},
        }
    })

    assert matrix["PM"]["project_members"] == {"read": True, "write": True}
    assert matrix["PM"]["sites"] == {"read": True, "write": True}
    assert matrix["PM"]["audit_export"] == {"read": True, "write": True}


def test_non_pm_roles_cannot_be_granted_management_backend_permissions():
    management_modules = ["project_members", "sites", "audit_export"]
    matrix = normalize_permission_matrix({
        role: {
            module: {"read": True, "write": True}
            for module in management_modules
        }
        for role in ["CRA", "PV", "IMP", "QA"]
    })

    for role in ["CRA", "PV", "IMP", "QA"]:
        for module in management_modules:
            assert matrix[role][module] == {"read": False, "write": False}


def test_each_non_admin_role_can_toggle_each_writable_module():
    roles = ["PM", "CRA", "PV", "IMP", "QA"]
    management_modules = {"project_members", "sites", "audit_export"}
    writable_modules = [
        module["key"]
        for module in PROJECT_PERMISSION_MODULES
        if module.get("writable") is not False and module["key"] not in management_modules
    ]

    for role in roles:
        enabled = normalize_permission_matrix({
            role: {
                module: {"read": False, "write": True}
                for module in writable_modules
            }
        })
        disabled = normalize_permission_matrix({
            role: {
                module["key"]: {"read": False, "write": False}
                for module in PROJECT_PERMISSION_MODULES
            }
        })

        for module in writable_modules:
            assert enabled[role][module] == {"read": True, "write": True}
            assert disabled[role][module] == {"read": False, "write": False}


def test_read_only_modules_never_accept_write_for_any_role():
    read_only_modules = [
        module["key"]
        for module in PROJECT_PERMISSION_MODULES
        if module.get("writable") is False
    ]
    payload = {
        role: {
            module: {"read": False, "write": True}
            for module in read_only_modules
        }
        for role in ["ADMIN", "PM", "CRA", "PV", "IMP", "QA"]
    }

    matrix = normalize_permission_matrix(payload)

    for role in ["ADMIN", "PM", "CRA", "PV", "IMP", "QA"]:
        for module in read_only_modules:
            assert matrix[role][module] == {"read": True, "write": False}