defmodule MicrowavepropWeb.PageController do
  use MicrowavepropWeb, :controller

  @spec home(Plug.Conn.t(), map()) :: Plug.Conn.t()
  def home(conn, _params) do
    redirect(conn, to: ~p"/map")
  end

  @spec redirect_contacts(Plug.Conn.t(), map()) :: Plug.Conn.t()
  def redirect_contacts(conn, _params) do
    redirect(conn, to: ~p"/contacts")
  end

  @spec redirect_contact(Plug.Conn.t(), map()) :: Plug.Conn.t()
  def redirect_contact(conn, %{"id" => id}) do
    redirect(conn, to: ~p"/contacts/#{id}")
  end

  @llms_txt """
  # NTMS Microwave Propagation

  > The North Texas Microwave Society's propagation prediction service for amateur radio bands 10–241 GHz. Scores propagation conditions across CONUS using HRRR numerical weather prediction, sounding data, ITU-R atmospheric models, and calibration against 58,000+ recorded QSOs.

  A real-time propagation prediction system for microwave amateur radio bands, built and operated by the North Texas Microwave Society.

  ## Tools and maps

  - [Propagation map](/map) — real-time CONUS propagation scores with 48-hour forecast overlay.
  - [Weather map](/weather) — HRRR weather data overlay (temperature, dewpoint, refractivity, ducting).
  - [Weather map (Canada)](/weather-ca) — HRDPS/RDPS-based weather for Canadian coverage.
  - [Contact map](/contacts/map) — geographic view of 58,000+ recorded QSOs.
  - [Path calculator](/path) — point-to-point propagation prediction between two locations.
  - [EME calculator](/eme) — Earth-Moon-Earth communication prediction for 144–10 GHz.
  - [Skew-T diagram](/skewt) — atmospheric sounding visualization from HRRR profiles and RAOB data.
  - [Rover planner](/rover) — propagation heatmap with ranked drive-to candidates.
  - [Rover locations](/rover-locations) — shared directory of rover-friendly parking spots.
  - [Rover planning](/rover-planning) — planned rover missions and their paths.

  ## Data

  - [Algorithm documentation](/algo) — full scoring methodology, factor weights, ITU-R model references.
  - [Contact database](/contacts) — 58,000+ historical QSOs used for calibration.
  - [Beacon directory](/beacons) — microwave beacon listings across North America.

  ## About

  - [About](/about) — project background.
  - [Privacy](/privacy) — data collection and usage policy.

  ## API

  - [API documentation](/docs/api) — REST API reference.
  - [OpenAPI spec](/openapi.json) — machine-readable API description.
  - [Contact map data](/api/contacts/map) — JSON dump of all map contacts.
  """

  @spec llms_txt(Plug.Conn.t(), map()) :: Plug.Conn.t()
  def llms_txt(conn, _params) do
    conn
    |> put_resp_content_type("text/markdown", "utf-8")
    |> send_resp(200, @llms_txt)
  end
end