#include "dow_fetch.h"

int dow_fetch(const char *url, std::vector<dow_item_t> &target)
{
  int responseCode = -1;

  WiFiClient client;
  HTTPClient http;

  http.useHTTP10(true);
  http.begin(client, url);

  responseCode = http.GET();

  if (responseCode != 200)
  {
    Serial.print("HTTPClient error:");
    Serial.println(responseCode);
    http.end();
    return -1;
  }

  JsonDocument doc;
  deserializeJson(doc, http.getStream());

  target.clear();

  dow_item_t dow_item;
  uint32_t i = 0;
  for (JsonObject item : doc.as<JsonArray>())
  {
    i++;

    if (!item.containsKey("x") || !item.containsKey("y") || !item.containsKey("t"))
    {
      Serial.print("Invalid item at index ");
      Serial.println(i - 1);
      continue;
    }

    // These are required
    dow_item.x = item["x"].as<int>();
    dow_item.y = item["y"].as<int>();
    dow_item.type = item["t"].as<int>();

    // Reset to default values
    dow_item.verticalAlign = 0;
    dow_item.horizontalAlign = 0;
    dow_item.font = 0;
    dow_item.radius = 0;
    dow_item.contents = "";

    if (item.containsKey("x2"))
      dow_item.x2 = item["x2"].as<int>();
    if (item.containsKey("y2"))
      dow_item.y2 = item["y2"].as<int>();
    if (item.containsKey("r"))
      dow_item.radius = item["r"].as<float>();
    if (item.containsKey("f"))
      dow_item.font = item["f"].as<int>();
    if (item.containsKey("va"))
      dow_item.verticalAlign = item["va"].as<int>();
    if (item.containsKey("ha"))
      dow_item.horizontalAlign = item["ha"].as<int>();
    if (item.containsKey("c"))
      dow_item.contents = item["c"].as<String>();

    /*
    Serial.print("x: ");
    Serial.print(dow_item.x);
    Serial.print(" y: ");
    Serial.print(dow_item.y);
    Serial.print(" x2: ");
    Serial.print(dow_item.x2);
    Serial.print(" y2: ");
    Serial.print(dow_item.y2);
    Serial.print(" r: ");
    Serial.print(dow_item.radius);
    Serial.print(" t: ");
    Serial.print(dow_item.type);
    Serial.print(" f: ");
    Serial.print(dow_item.font);
    Serial.print(" va: ");
    Serial.print(dow_item.verticalAlign);
    Serial.print(" ha: ");
    Serial.print(dow_item.horizontalAlign);
    Serial.print(" c: ");
    Serial.println(dow_item.contents);
    */

    target.push_back(dow_item);
  }

  http.end();

  return 0;
}