campaign_flow

defmodule CampaignFlow.MockServer.Router do
  @moduledoc """
  Plug router for the mock Campaign Flow server.

  Routes requests to appropriate handlers for:
  - OAuth2 token endpoint
  - Referral API endpoints (create, get)
  - Campaign API endpoints (get)
  - Health check
  """

  use Plug.Router

  alias CampaignFlow.MockServer.Handlers.Campaigns
  alias CampaignFlow.MockServer.Handlers.OAuth
  alias CampaignFlow.MockServer.Handlers.Referrals
  alias CampaignFlow.MockServer.Responses

  plug(Plug.Logger, log: :debug)
  plug(:match)

  plug(Plug.Parsers,
    parsers: [:urlencoded, :json],
    pass: ["application/json", "application/x-www-form-urlencoded"],
    json_decoder: Jason
  )

  plug(:dispatch)

  # OAuth2 token endpoint
  post "/oauth2/v1/token" do
    OAuth.token(conn)
  end

  # Referral endpoints
  post "/api/v2/referrals" do
    Referrals.create(conn)
  end

  get "/api/v2/referrals/:id" do
    Referrals.get(conn, id)
  end

  # Campaign endpoints
  get "/api/v2/campaigns/:id" do
    Campaigns.get(conn, id)
  end

  post "/api/v2/campaigns/:id/set-status" do
    Campaigns.set_status(conn, id)
  end

  # Health check endpoint
  get "/health" do
    conn
    |> put_resp_content_type("application/json")
    |> send_resp(200, Jason.encode!(%{status: "ok", server: "campaign_flow_mock"}))
  end

  # Catch-all for unmatched routes
  match _ do
    Responses.error(conn, 404, "not_found", "Endpoint not found")
  end
end