config

type CORS struct {
	AllowedOrigins   []string      `koanf:"allowed_origins"`
	AllowedMethods   []string      `koanf:"allowed_methods"`
	AllowedHeaders   []string      `koanf:"allowed_headers"`
	ExposedHeaders   []string      `koanf:"exposed_headers"`
	AllowCredentials bool          `koanf:"allow_credentials"`
	MaxAge           time.Duration `koanf:"max_age,string"`
}

type CacheConfig struct {
	Type string `koanf:"type"`
}

type Configuration struct {
	Serve    ServeConfig    `koanf:"serve"`
	Log      LoggingConfig  `koanf:"log"`
	Tracing  TracingConfig  `koanf:"tracing"`
	Metrics  MetricsConfig  `koanf:"metrics"`
	Signer   SignerConfig   `koanf:"signer"`
	Cache    CacheConfig    `koanf:"cache"`
	Pipeline PipelineConfig `koanf:"pipeline"`
	Rules    RulesConfig    `koanf:"rules,omitempty"`
}

type DefaultRuleConfig struct {
	Methods      []string         `koanf:"methods"`
	Execute      []map[string]any `koanf:"execute"`
	ErrorHandler []map[string]any `koanf:"on_error"`
}

type FileBasedRuleProviderConfig struct {
	Src   string `koanf:"src"`
	Watch bool   `koanf:"watch"`
}

type LogFormat int

type LoggingConfig struct {
	Format LogFormat     `koanf:"format,string"`
	Level  zerolog.Level `koanf:"level,string"`
}

type MetricsConfig struct {
	Prometheus PrometheusConfig `koanf:"prometheus"`
}

type PipelineConfig struct {
	Authenticators []PipelineObject `koanf:"authenticators"`
	Authorizers    []PipelineObject `koanf:"authorizers"`
	Hydrators      []PipelineObject `koanf:"hydrators"`
	Mutators       []PipelineObject `koanf:"mutators"`
	ErrorHandlers  []PipelineObject `koanf:"error_handlers"`
}

type PipelineObject struct {
	ID     string             `koanf:"id"`
	Type   PipelineObjectType `koanf:"type,string"`
	Config map[string]any     `koanf:"config"`
}

type PipelineObjectType string

type PrometheusConfig struct {
	Host        string `koanf:"host"`
	Port        int    `koanf:"port"`
	MetricsPath string `koanf:"metrics_path"`
}

type RuleConfig struct {
	ID               string           `yaml:"id"`
	URL              string           `yaml:"url"`
	MatchingStrategy string           `yaml:"matching_strategy"`
	Methods          []string         `yaml:"methods"`
	Execute          []map[string]any `yaml:"execute"`
	ErrorHandler     []map[string]any `yaml:"on_error"`
}

type RuleProviders struct {
	File *FileBasedRuleProviderConfig `koanf:"file,omitempty"`
}

type RulesConfig struct {
	Default   *DefaultRuleConfig `koanf:"default,omitempty"`
	Providers RuleProviders      `koanf:"providers"`
}

type ServeConfig struct {
	Proxy       ServiceConfig `koanf:"proxy"`
	DecisionAPI ServiceConfig `koanf:"api"`
}

type ServiceConfig struct {
	Host           string    `koanf:"host"`
	Port           int       `koanf:"port"`
	VerboseErrors  bool      `koanf:"verbose_errors"`
	Timeout        Timeout   `koanf:"timeout"`
	CORS           *CORS     `koanf:"cors,omitempty"`
	TLS            *TLS      `koanf:"tls,omitempty"`
	TrustedProxies *[]string `koanf:"trusted_proxies,omitempty"`
}

type SignerConfig struct {
	Name     string `koanf:"name"`
	KeyStore string `koanf:"key_store"`
	Password string `koanf:"password"`
	KeyID    string `koanf:"key_id"`
}

type TLS struct {
	Key  string `koanf:"key"`
	Cert string `koanf:"cert"`
}

type Timeout struct {
	Read  time.Duration `koanf:"read,string"`
	Write time.Duration `koanf:"write,string"`
	Idle  time.Duration `koanf:"idle,string"`
}

type TracingConfig struct {
	ServiceName string `koanf:"service_name"`
	Provider    string `koanf:"provider"`
}