module AppManager
  module Model
    extend ActiveSupport::Concern

    def has_plan_old
      if !self[AppManager.configuration.plan_id_or_name_field]
        return false;
      end
      if self[AppManager.configuration.field_names['grandfathered']]
        return true;
      end
      plan_id = self[AppManager.configuration.plan_id_or_name_field]
      if !plan_id
        return false;
      end
      remaining_days = fetch_static_remaining_days
      if remaining_days.to_i > 0
        return true
      end
      # plan_obj = AppManager::Client.new
      # shop_domain = self[AppManager.configuration.shopify_domain_field]
      # active_charge = plan_obj.get_charge(shop_domain) rescue nil
      active_charge = fetch_static_get_charge
      return active_charge && active_charge['active_charge'].present? && !active_charge['active_charge'].nil? ? true : false
    end

    def has_plan
      plan_id = self[AppManager.configuration.plan_id_or_name_field]
      if !plan_id
        return false;
      end
      grandfathered = self[AppManager.configuration.field_names['grandfathered']]
      grandfathered = grandfathered ? 1 : 0
      shop_domain = self[AppManager.configuration.shopify_domain_field] rescue nil
      trial_activated_at_val = self[AppManager.configuration.field_names['trial_activated_at']] rescue nil
      plan_obj = AppManager::Client.new
      response = plan_obj.has_plan(shop_domain, plan_id, trial_activated_at_val, grandfathered)
      return (response && response['has_plan']) || false
    end


    def plan_features
      plan_id = self[AppManager.configuration.plan_id_or_name_field]
      if !plan_id
        return []
      end
      plan_obj = AppManager::Client.new
      plans = plan_obj.get_plan(plan_id)
      if plans && plans['features'].blank?
        return []
      end
      features_by_plan = plans['features'].map { |h| h.slice('value', 'feature_id') }
      all_features = AppManager.configuration.plan_features
      feature_plan_ids = features_by_plan.map { |c| c['feature_id'] }
      pf = all_features.select { |x| feature_plan_ids.include?(x['uuid']) }.each { |g| g["value"] = features_by_plan.find { |e| e['feature_id'] == g['uuid'] }['value'] }
      return pf
    end


    def has_feature(slug)
      self.plan_features.any? && self.plan_features.select { |x| x['slug'].to_s == slug }.size > 0 ? true : false
    end


    def get_feature(slug)
      plan_features = self.plan_features
      features = plan_features.select { |x| x['slug'].to_s == slug }
      if features.any?
        feature = features.first
        return casted_value(feature['value'], feature['value_type'])
      else
        nil
      end
    end

    def get_remaining_days
      begin
        shop_domain = self[AppManager.configuration.shopify_domain_field]
        trial_activated_at_field = AppManager.configuration.field_names['trial_activated_at']
        trial_activated_at_val = self[trial_activated_at_field]
        plan_field = AppManager.configuration.field_names['plan_id']
        plan_id = self[plan_field]
        plan_obj = AppManager::Client.new
        res = plan_obj.get_remaining_days(shop_domain, trial_activated_at_val, plan_id)
        return (res && !res.nil?) ? res : 0
      rescue Exception => e
        return 0
      end
    end


    def get_plan(plan_id = nil)
      req_plan_id = nil
      if !plan_id.nil?
        req_plan_id = plan_id
      else
        shop_plan_id = self[AppManager.configuration.plan_id_or_name_field]
        if shop_plan_id && !shop_plan_id.nil?
          req_plan_id = shop_plan_id
        else
          return {}
        end
      end
      plan_obj = AppManager::Client.new if req_plan_id
      return req_plan_id ? plan_obj.get_plan(req_plan_id) : {}
    end

    def get_charge
      shop_plan_id = self[AppManager.configuration.plan_id_or_name_field]
      found_free_plan = false
      if shop_plan_id && !shop_plan_id.nil?
        plan_obj = AppManager::Client.new
        plan = plan_obj.get_plan(shop_plan_id) rescue nil
        if plan && plan['price'] == 0 && plan['public'] == true
          found_free_plan = true
          return nil
        end
      end
      if !found_free_plan
        begin
          shop_domain = self[AppManager.configuration.shopify_domain_field]
          plan_obj = AppManager::Client.new
          return plan_obj.get_charge(shop_domain)
        rescue Exception => e
          return nil
        end
      end
    end

    def get_all_plans
      begin
        shop_domain = self[AppManager.configuration.shopify_domain_field]
        shop_plan_id = self[AppManager.configuration.plan_id_or_name_field]
        active_plan_id = shop_plan_id && shop_plan_id.nil? ? nil : shop_plan_id
        plan_obj = AppManager::Client.new
        return plan_obj.get_plans(shop_domain, active_plan_id)
      rescue Exception => e
        return []
      end
    end

    def cancel_charge
      begin
        shop_plan_id = self[AppManager.configuration.plan_id_or_name_field]
        shop_domain = self[AppManager.configuration.shopify_domain_field]
        if shop_plan_id && shop_domain
          plan_obj = AppManager::Client.new
          plan_obj.cancel_charge(shop_domain, shop_plan_id)
        end
      rescue Exception => e
        return "#{e.inspect}"
      end
    end

    def set_default_plan(plan_id = nil)
      begin
        if plan_id.nil?
          shop_domain = self[AppManager.configuration.shopify_domain_field]
          plan_obj = AppManager::Client.new
          plans = plan_obj.get_plans(shop_domain)
          free_plans = plans.select { |x| x['price'] == 0 && x['public'] == true }
          if free_plans.any?
            self.plan_id = free_plans.first["id"]
            self.save
          else
            raise Error, "Free Plan is not available"
          end
        else
          self.plan_id = plan_id
          self.save
        end
      rescue Exception => e
        return "#{e.inspect}"
      end
    end


    def get_plans_by_features(feature_slugs, params = "false")
      if feature_slugs.any?
        shop_plan_id = self[AppManager.configuration.plan_id_or_name_field]
        plan_data = []
        shop_domain = self[AppManager.configuration.shopify_domain_field]
        plan_obj = AppManager::Client.new
        plans = plan_obj.get_plans(shop_domain)
        plans = plans.select { |x| x['interval'] == 'EVERY_30_DAYS' && x['public'] == true }
        plans.each do |plan|
          next if (params && !params.nil? && params == "exclude_current_plan" && !shop_plan_id.nil? && plan["id"] == shop_plan_id)
          if plan && (plan['features'] && plan['features'].any?) && (plan['features'].values && plan['features'].values.any?) && (plan['features'].values.collect { |c| c['slug'] } && plan['features'].values.collect { |c| c['slug'] }.any?)
            plan_feature_slugs = plan['features'].values.collect { |c| c['slug'] }.sort
            if (feature_slugs & plan_feature_slugs).any? && ((feature_slugs & plan_feature_slugs).sort == feature_slugs.sort)
              plan_data.push(plan)
            end
          end
        end
        return plan_data
      else
        return []
      end
    end


    def fetch_static_remaining_days
      @remaining_cache_key = "app-manager-cache/#{self.shopify_domain}-remaining_days"
      if fetch_cached_static_remaining_days(@remaining_cache_key).present?
        return fetch_cached_static_remaining_days(@remaining_cache_key)
      end
      remaining_days = self.get_remaining_days
      Rails.cache.write(@remaining_cache_key, remaining_days, expires_in: AppManager.configuration.expires_in)
      return remaining_days
    end

    def fetch_cached_static_remaining_days(cache_key)
      if Rails.cache.read(cache_key).present?
        return Rails.cache.read(cache_key)
      end
    end


    def fetch_static_get_charge
      @get_charge_key = "app-manager-cache/#{self.shopify_domain}-get_charge"
      if fetch_cached_static_get_charge(@get_charge_key).present?
        return fetch_cached_static_get_charge(@get_charge_key)
      end
      charge = self.get_charge
      Rails.cache.write(@get_charge_key, charge, expires_in: AppManager.configuration.expires_in)
      return charge
    end

    def fetch_cached_static_get_charge(cache_key)
      if Rails.cache.read(cache_key).present?
        return Rails.cache.read(cache_key)
      end
    end


    private

    def casted_value(value, value_type)
      case value_type
      when "integer"
        value.to_i
      when "boolean"
        case value
        when true, 'true', 1, '1'
          return true
        when false, 'false', 0, '0'
          return false
        end
      when "string"
        value.to_s
      else
        value
      end
    end


  end
end