root = true

[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
indent_style = space
indent_size = 4

[*.{json,yml,yaml,nix,csproj,props,targets,slnx,xml}]
indent_size = 2

[*.md]
trim_trailing_whitespace = false

[*.cs]
# Namespaces and usings
csharp_style_namespace_declarations = file_scoped:warning
csharp_using_directive_placement = outside_namespace:warning
dotnet_sort_system_directives_first = true

# Language preferences
dotnet_style_qualification_for_field = false:warning
dotnet_style_qualification_for_property = false:warning
dotnet_style_qualification_for_method = false:warning
dotnet_style_predefined_type_for_locals_parameters_members = true:warning
csharp_style_var_for_built_in_types = false:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion
csharp_style_var_elsewhere = false:suggestion
csharp_prefer_braces = true:warning
csharp_style_expression_bodied_methods = when_on_single_line:suggestion
csharp_style_prefer_primary_constructors = true:suggestion
dotnet_style_readonly_field = true:warning

# Formatting
csharp_new_line_before_open_brace = all
csharp_new_line_before_else = true
csharp_new_line_before_catch = true
csharp_new_line_before_finally = true

# Naming: interfaces start with I, private fields start with _
dotnet_naming_rule.interfaces_begin_with_i.symbols = interfaces
dotnet_naming_rule.interfaces_begin_with_i.style = begins_with_i
dotnet_naming_rule.interfaces_begin_with_i.severity = warning
dotnet_naming_symbols.interfaces.applicable_kinds = interface
dotnet_naming_style.begins_with_i.required_prefix = I
dotnet_naming_style.begins_with_i.capitalization = pascal_case

dotnet_naming_rule.private_fields_underscore.symbols = private_fields
dotnet_naming_rule.private_fields_underscore.style = underscore_camel
dotnet_naming_rule.private_fields_underscore.severity = warning
dotnet_naming_symbols.private_fields.applicable_kinds = field
dotnet_naming_symbols.private_fields.applicable_accessibilities = private
dotnet_naming_style.underscore_camel.required_prefix = _
dotnet_naming_style.underscore_camel.capitalization = camel_case

# Tests: allow underscores in method names (Method_Scenario_Expected)
[tests/**/*.cs]
dotnet_diagnostic.CA1707.severity = none