//! Rules from [flake8-builtins](https://pypi.org/project/flake8-builtins/).
pub(crate) mod helpers;
pub(crate) mod rules;
pub mod settings;

#[cfg(test)]
mod tests {
    use std::path::Path;

    use anyhow::Result;
    use test_case::test_case;

    use crate::assert_diagnostics;
    use crate::registry::Rule;
    use crate::rules::flake8_builtins;
    use crate::settings::LinterSettings;
    use crate::test::{test_path, test_resource_path};
    use ruff_python_ast::PythonVersion;

    #[test_case(Rule::BuiltinVariableShadowing, Path::new("A001.py"))]
    #[test_case(Rule::BuiltinArgumentShadowing, Path::new("A002.py"))]
    #[test_case(Rule::BuiltinAttributeShadowing, Path::new("A003.py"))]
    #[test_case(Rule::BuiltinImportShadowing, Path::new("A004.py"))]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/non_builtin/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/logging/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/string/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/package/bisect.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/package/collections.pyi")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/_abc/__init__.py")
    )]
    #[test_case(Rule::StdlibModuleShadowing, Path::new("A005/modules/package/xml.py"))]
    #[test_case(Rule::BuiltinLambdaArgumentShadowing, Path::new("A006.py"))]
    fn rules(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}", rule_code.noqa_code(), path.to_string_lossy());
        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                flake8_builtins: flake8_builtins::settings::Settings {
                    strict_checking: true,
                    ..Default::default()
                },
                ..LinterSettings::for_rule(rule_code)
            },
        )?;
        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/utils/logging.py"),
        true
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/utils/logging.py"),
        false
    )]
    fn non_strict_checking(rule_code: Rule, path: &Path, strict: bool) -> Result<()> {
        let snapshot = format!(
            "{}_{}_{strict}",
            rule_code.noqa_code(),
            path.to_string_lossy()
        );
        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                flake8_builtins: flake8_builtins::settings::Settings {
                    strict_checking: strict,
                    ..Default::default()
                },
                ..LinterSettings::for_rule(rule_code)
            },
        )?;
        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    /// Test that even with strict checking disabled, a module in `src` will trigger A005
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/utils/logging.py")
    )]
    fn non_strict_checking_src(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}_src", rule_code.noqa_code(), path.to_string_lossy());
        let src = Path::new("fixtures/flake8_builtins");
        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                src: vec![test_resource_path(src.join(path.parent().unwrap()))],
                flake8_builtins: flake8_builtins::settings::Settings {
                    strict_checking: false,
                    ..Default::default()
                },
                ..LinterSettings::for_rule(rule_code)
            },
        )?;
        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    /// Test that even with strict checking disabled, a module in the `project_root` will trigger
    /// A005
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/utils/logging.py")
    )]
    fn non_strict_checking_root(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}_root", rule_code.noqa_code(), path.to_string_lossy());
        let src = Path::new("fixtures/flake8_builtins");
        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                project_root: test_resource_path(src.join(path.parent().unwrap())),
                flake8_builtins: flake8_builtins::settings::Settings {
                    strict_checking: false,
                    ..Default::default()
                },
                ..LinterSettings::for_rule(rule_code)
            },
        )?;
        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    #[test_case(Rule::BuiltinVariableShadowing, Path::new("A001.py"))]
    #[test_case(Rule::BuiltinArgumentShadowing, Path::new("A002.py"))]
    #[test_case(Rule::BuiltinAttributeShadowing, Path::new("A003.py"))]
    #[test_case(Rule::BuiltinImportShadowing, Path::new("A004.py"))]
    #[test_case(Rule::BuiltinLambdaArgumentShadowing, Path::new("A006.py"))]
    fn builtins_ignorelist(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!(
            "{}_{}_builtins_ignorelist",
            rule_code.noqa_code(),
            path.to_string_lossy()
        );

        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                flake8_builtins: super::settings::Settings {
                    ignorelist: vec!["id".to_string(), "dir".to_string()],
                    ..Default::default()
                },
                ..LinterSettings::for_rules(vec![rule_code])
            },
        )?;

        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/non_builtin/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/logging/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/string/__init__.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/package/bisect.py")
    )]
    #[test_case(
        Rule::StdlibModuleShadowing,
        Path::new("A005/modules/_abc/__init__.py")
    )]
    #[test_case(Rule::StdlibModuleShadowing, Path::new("A005/modules/package/xml.py"))]
    fn builtins_allowed_modules(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!(
            "{}_{}_builtins_allowed_modules",
            rule_code.noqa_code(),
            path.to_string_lossy()
        );

        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                flake8_builtins: super::settings::Settings {
                    allowed_modules: vec!["xml".to_string(), "logging".to_string()],
                    strict_checking: true,
                    ..Default::default()
                },
                ..LinterSettings::for_rules(vec![rule_code])
            },
        )?;

        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }

    #[test_case(Rule::BuiltinImportShadowing, Path::new("A004.py"))]
    fn rules_py312(rule_code: Rule, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}_py38", rule_code.noqa_code(), path.to_string_lossy());
        let diagnostics = test_path(
            Path::new("flake8_builtins").join(path).as_path(),
            &LinterSettings {
                unresolved_target_version: PythonVersion::PY38.into(),
                ..LinterSettings::for_rule(rule_code)
            },
        )?;
        assert_diagnostics!(snapshot, diagnostics);
        Ok(())
    }
}
