root = true

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

[*.{csproj,props,targets,xml}]
indent_size = 2

[*.{json,yml,yaml}]
indent_size = 2

[*.proto]
indent_size = 2

[*.cs]
# Namespace
csharp_style_namespace_declarations = file_scoped:warning

# Braces — Allman style
csharp_new_line_before_open_brace = all

# Usings
dotnet_sort_system_directives_first = true
csharp_using_directive_placement = outside_namespace:warning

# var preferences — use var when type is apparent
csharp_style_var_for_built_in_types = true:suggestion
csharp_style_var_when_type_is_apparent = true:suggestion
csharp_style_var_elsewhere = true:suggestion

# Expression bodies — prefer for simple members
csharp_style_expression_bodied_methods = when_on_single_line:suggestion
csharp_style_expression_bodied_constructors = false:suggestion
csharp_style_expression_bodied_operators = when_on_single_line:suggestion
csharp_style_expression_bodied_properties = true:suggestion
csharp_style_expression_bodied_accessors = true:suggestion
csharp_style_expression_bodied_lambdas = true:suggestion

# Pattern matching
csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
csharp_style_pattern_matching_over_as_with_null_check = true:suggestion

# Null checking
csharp_style_throw_expression = true:suggestion
csharp_style_conditional_delegate_call = true:suggestion

# Modifier preferences — exclude interface members (netstandard2.1 compat)
dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning

# Field naming — _camelCase for private fields
dotnet_naming_rule.private_fields_should_be_camel_case.severity = warning
dotnet_naming_rule.private_fields_should_be_camel_case.symbols = private_fields
dotnet_naming_rule.private_fields_should_be_camel_case.style = camel_case_underscore

dotnet_naming_symbols.private_fields.applicable_kinds = field
dotnet_naming_symbols.private_fields.applicable_accessibilities = private, protected, private_protected
dotnet_naming_symbols.private_fields.required_modifiers =

dotnet_naming_style.camel_case_underscore.required_prefix = _
dotnet_naming_style.camel_case_underscore.capitalization = camel_case

# Constants — PascalCase
dotnet_naming_rule.constants_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.constants_should_be_pascal_case.symbols = constants
dotnet_naming_rule.constants_should_be_pascal_case.style = pascal_case

dotnet_naming_symbols.constants.applicable_kinds = field
dotnet_naming_symbols.constants.required_modifiers = const

dotnet_naming_style.pascal_case.capitalization = pascal_case

# Interfaces — I prefix
dotnet_naming_rule.interfaces_should_begin_with_i.severity = warning
dotnet_naming_rule.interfaces_should_begin_with_i.symbols = interfaces
dotnet_naming_rule.interfaces_should_begin_with_i.style = begins_with_i

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

# Async methods — Async suffix
dotnet_naming_rule.async_methods_should_end_with_async.severity = suggestion
dotnet_naming_rule.async_methods_should_end_with_async.symbols = async_methods
dotnet_naming_rule.async_methods_should_end_with_async.style = ends_with_async

dotnet_naming_symbols.async_methods.applicable_kinds = method
dotnet_naming_symbols.async_methods.required_modifiers = async

dotnet_naming_style.ends_with_async.required_suffix = Async
dotnet_naming_style.ends_with_async.capitalization = pascal_case