require_relative "./pex.rb"

class LifePex::Systems::Pex2System < LifePex::Systems::PexSystem
  # include JSON::API # included by PexSystem

  # extend DocMyRoutes::Annotatable # included by PexSystem
  # register Sinatra::Namespace # included by PexSystem
  namespace '/api/pex/v2' do

    namespace '/meta' do

      summary 'Get a list of all pex categories'
      produces 'application/json'
      status_codes [200]
      get "/categories", auth: [], provides: 'json' do
        LifePex::Pex.where(user_id: current_user_id).select(:category).uniq.map(&:category).to_json
      end

    end

    namespace '/pexs' do

      summary 'Get a list of all pex'
      produces 'application/json'
      status_codes [200]
      parameter :pluck, required: false, type: 'string', in: 'query', description: 'improve performance by only fetching one field'
      get "", auth: [], provides: 'json' do
        pexs = current_user.pexs
        pexs = pexs.select(json_params["pluck"]) if json_params["pluck"]
        pexs.to_json
      end

      summary 'Create a new pex'
      produces 'application/json'
      status_codes [200]
      parameter :name, required: true, type: 'string', in: 'body'
      parameter :category, required: true, type: 'string', in: 'body'
      parameter :amount, required: true, type: 'number', in: 'body'
      parameter :auth, required: true, type: 'string', in: 'cookies'
      post "/", auth: [], provides: 'json' do
        raise RunetimeError.new "\"name\" is required" unless json_params["name"]
        raise RunetimeError.new "\"category\" is required" unless json_params["category"]
        raise RunetimeError.new "\"amount\" is required" unless json_params["amount"]
        pex_id = LifePex::Pex.insert(
          name: json_params['name'],
          category: json_params['category'],
          amount: json_params['amount'],
          user_id: current_user.id,
        )
        {
          message: "entity created",
          pex: LifePex::Pex.find(id: pex_id),
        }.to_json
      end

      summary 'Show the state of a pex'
      produces 'application/json'
      status_codes [200]
      parameter :id, required: true, type: 'string', in: 'path'
      get "/:id", auth: [], provides: 'json' do
        {
          pex: LifePex::Pex.find(
            id: params["id"],
            user_id: current_user.id,
          ),
        }.to_json
      end

      summary 'Show the state of a pex and load advanced infos about it'
      produces 'application/json'
      status_codes [200]
      parameter :id, required: true, type: 'string', in: 'path'
      get "/:id/more", auth: [], provides: 'json' do
        pex = LifePex::Pex.find(
          id: params["id"],
          user_id: current_user_id,
        )
        {
          pex: pex,
          user_pexs: LifePex::UserPex.where(user_id: current_user_id, pex_id: pex.id).select(:created_at).all.group_by(&:created_at).transform_values { |group| group.size }
        }.to_json
      end

      summary 'Get the amount of a pex each day since first occurence since 1 january'
      notes ""
      produces 'application/json'
      status_codes [200]
      parameter :id, required: true, type: 'integer', in: 'path'
      parameter :auth, required: true, type: 'string', in: 'cookies'
      post "/:id/recap", auth: [], provides: 'json' do
        user_id = user_id_decoded
        pex_id = params["id"]
        year = Date.today.year
        first_jan = Date.new(year, 1, 1)
        pex = LifePex::Pex.find(id: pex_id)
        user_pexs = LifePex::UserPex.where {
          self.user_id == user_id && self.pex_id == pex_id && created_at > first_jan
        }.first
        { pex: pex, user_pexs: user_pexs }.to_json
      end

    end

  end
  include LifePex::Systems::ApiList
end