module Tggl
  class LocalClient
    type variation = { active: bool, value: any }
    type rule = {
        key: String,
        operator: String,
        negate?: bool,
        rangeStart?: float,
        rangeEnd?: float,
        seed?: int,
        values?: Array[String],
        value?: String | float,
        version?: Array[int],
        timestamp?: int,
        iso?: String,
      }
    type condition = { rules: Array[rule], variation: variation }
    type flag = { defaultVariation: variation, conditions: Array[condition] }

    @api_key: String | nil
    @config: Hash[Symbol, flag]
    @url: String
    @reporter: Reporting | nil

    def initialize: (String | nil api_key, { url?: String, config?: Hash[Symbol, flag], reporting?: bool | { app?: String, url?: String } } options) -> void


    def fetch_config: -> Hash[Symbol, flag]
    def get: (Hash[Symbol, any] context, String slug, any default_value) -> untyped
    def is_active?: (Hash[Symbol, any] context, String slug) -> bool
    def all_active_flags: (Hash[Symbol, any] context)-> Hash[Symbol, any]

    def self.eval_flag: (flag flag, Hash[Symbol, any] context) -> variation
    def self.eval_condition: (condition condition, Hash[Symbol, any] context) -> bool
    def self.eval_rule: (rule rule, Hash[Symbol, any] context) -> bool
  end
end