/*
  configure.cpp

  Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
*/

#include "wiflash_configure.h"
#include "wiflash_pins.h"
#include <Preferences.h>

// ESP logging module
#include <esp_log.h>
static const char* TAG = "WiFlash_Configure";


namespace config {

/*
  NVM preferances
*/
Preferences prefs_;

/*
   settings struct
*/
settings_t settings;


/*
   Load device configuration from NVM
*/
bool loadConfig() {
  prefs_.begin("wiflash", false);  // open RW;
  ESP_LOGI(TAG, "Jump pin# %u to GROUND to reset settings.", pin_reset_button);

  pinMode(pin_reset_button, INPUT_PULLUP);
  if (prefs_.getBool("reset_on_reboot") ||
      !digitalRead(pin_reset_button)) {
    ESP_LOGI(TAG, "**Reset to default configuration**");
    prefs_.clear();
  }

  ESP_LOGI(TAG, "It is safe to ignore errors from nvm_get_*");

  settings.ssid = prefs_.getString("ssid", "WiFlash");
  settings.pwd  = prefs_.getString("pwd", "technologyismagic");
  settings.mode = (wifi_mode_t)prefs_.getUChar("wifi_mode", WIFI_AP);
  settings.hostname = prefs_.getString("hostname", "WiFlash");

  settings.dhcp    = prefs_.getBool("dhcp", true);
  settings.ip      = prefs_.getString("ip", "192.168.1.1");
  settings.subnet  = prefs_.getString("subnet", "255.255.255.0");
  settings.gateway = prefs_.getString("gateway", "");

  settings.button_enable = prefs_.getBool("button_enable", true);
  settings.button_pin    = prefs_.getUChar("butto_pin", A0);        // A0, use 100nF to ground

  settings.osc_host           = prefs_.getString("osc_host", "192.168.1.1");
  settings.osc_port           = prefs_.getUShort("osc_port", 7001);
  settings.osc_pressed_addr   = prefs_.getString("osc_pressed_addr", "/hog/playback/go/0");
  settings.osc_pressed_value  = prefs_.getString("osc_pressed_value", "99.1");
  settings.osc_released_addr  = prefs_.getString("osc_released_addr", "/hog/playback/go/0");
  settings.osc_released_value = prefs_.getString("osc_released_value", "99.2");

  settings.strobe_enable   = prefs_.getBool("strobe_enable", true);
  settings.strobe_led_pin  = prefs_.getUChar("strobe_led_pin",
                                             pin_default_strobe);
  settings.strobe_universe = prefs_.getUShort("strobe_universe", 1);
  settings.strobe_address  = prefs_.getUShort("strobe_address", 001);

  settings.strip_enable    = prefs_.getBool("strip_enable", false);
  settings.strip_led_count = prefs_.getUShort("strip_led_count", 8);  // not less than 4
  settings.strip_data_pin  = prefs_.getUChar("strip_data_pin",
                                             pin_default_strip);
  settings.strip_universe  = prefs_.getUShort("strip_universe", 1);
  settings.strip_address   = prefs_.getUShort("strip_address", 001);

  return true;
}

/*
   setting as a String
*/
String getString(const String& key) {
  if (key == "CONFIG_WIFI_MODE") return String(settings.mode);
  if (key == "CONFIG_WIFI_SSID") return settings.ssid;
  if (key == "CONFIG_WIFI_PASSWORD") return settings.pwd;
  if (key == "CONFIG_NETWORK_HOSTNAME") return settings.hostname;
  if (key == "CONFIG_NETWORK_DHCP") return String(settings.dhcp);
  if (key == "CONFIG_NETWORK_IPV4") return settings.ip;
  if (key == "CONFIG_NETWORK_MASK") return settings.subnet;
  if (key == "CONFIG_NETWORK_GATEWAY") return settings.gateway;
  if (key == "CONFIG_BUTTON_ENABLE") return String(settings.button_enable);
  if (key == "CONFIG_BUTTON_PIN") return String(settings.button_pin);
  if (key == "CONFIG_BUTTON_OSC_HOST") return settings.osc_host;
  if (key == "CONFIG_BUTTON_OSC_PORT") return String(settings.osc_port);
  if (key == "CONFIG_BUTTON_OSC_PRESSED_ADDR") return settings.osc_pressed_addr;
  if (key == "CONFIG_BUTTON_OSC_PRESSED_VALUE") return settings.osc_pressed_value;
  if (key == "CONFIG_BUTTON_OSC_RELEASED_ADDR") return settings.osc_released_addr;
  if (key == "CONFIG_BUTTON_OSC_RELEASED_VALUE") return settings.osc_released_value;
  if (key == "CONFIG_STROBE_ENABLE") return String(settings.strobe_enable);
  if (key == "CONFIG_STROBE_PIN") return String(settings.strobe_led_pin);
  if (key == "CONFIG_STROBE_UNIVERSE") return String(settings.strobe_universe);
  if (key == "CONFIG_STROBE_ADDRESS") return String(settings.strobe_address);
  if (key == "CONFIG_STRIP_ENABLE") return String(settings.strip_enable);
  if (key == "CONFIG_STRIP_PIN") return String(settings.strip_data_pin);
  if (key == "CONFIG_STRIP_COUNT") return String(settings.strip_led_count);
  if (key == "CONFIG_STRIP_UNIVERSE") return String(settings.strip_universe);
  if (key == "CONFIG_STRIP_ADDRESS") return String(settings.strip_address);

  return String();
}


/*
   change a setting in NVM
*/
size_t set (const String& key, const String& value) {
  ESP_LOGD(TAG, "changing config: %s = $s", key, value);
  size_t ret = 0;
  if (key == "RESET_ON_REBOOT")
    return prefs_.putBool("reset_on_reboot", (bool)value.toInt());

  if (key == "CONFIG_WIFI_MODE") {
    ret = prefs_.putUChar("wifi_mode", value.toInt());
    if (ret > 0)
      settings.mode = (wifi_mode_t)value.toInt();
    return ret;
  }
  if (key == "CONFIG_WIFI_SSID") {
    ret = prefs_.putString("ssid", value);
    if (ret > 0)
      settings.ssid = value;
    return ret;
  }
  if (key == "CONFIG_WIFI_PASSWORD") {
    ret = prefs_.putString("pwd", value);
    if (ret > 0)
      settings.pwd = value;
    return ret;
  }
  if (key == "CONFIG_NETWORK_HOSTNAME") {
    ret = prefs_.putString("hostname", value);
    if (ret > 0)
      settings.hostname = value;
    return ret;
  }
  if (key == "CONFIG_NETWORK_DHCP") {
    ret = prefs_.putBool("dhcp", value == "1");
    if (ret > 0)
      settings.dhcp = (bool)value.toInt();
    return ret;
  }
  if (key == "CONFIG_NETWORK_IPV4") {
    ret = prefs_.putString("ip", value);
    if (ret > 0)
      settings.ip = value;
    return ret;
  }
  if (key == "CONFIG_NETWORK_MASK")  {
    ret = prefs_.putString("subnet", value);
    if (ret > 0)
      settings.subnet = value;
    return ret;
  }
  if (key == "CONFIG_NETWORK_GATEWAY") {
    ret = prefs_.putString("gateway", value);
    if (ret > 0)
      settings.gateway = value;
    return ret;
  }
  if (key == "CONFIG_BUTTON_ENABLE") {
    ret = prefs_.putBool("button_enable", value == "1");
    if (ret > 0)
      settings.button_enable = (bool)value.toInt();
    return ret;
  }
  if (key == "CONFIG_BUTTON_PIN") {
    ret = prefs_.putUChar("button_pin", value.toInt());
    if (ret > 0)
      settings.button_pin = value.toInt();
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_HOST") {
    ret = prefs_.putString("osc_host", value);
    if (ret > 0)
      settings.osc_host = value;
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_PORT") {
    ret = prefs_.putUShort("osc_port", value.toInt());
    if (ret > 0)
      settings.osc_port = value.toInt();
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_PRESSED_ADDR") {
    ret = prefs_.putString("osc_pressed_addr", value);
    if (ret > 0)
      settings.osc_pressed_addr = value;
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_PRESSED_VALUE") {
    ret = prefs_.putString("osc_pressed_value", value);
    if (ret > 0)
      settings.osc_pressed_value = value;
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_RELEASED_ADDR") {
    ret = prefs_.putString("osc_released_addr", value);
    if (ret > 0)
      settings.osc_released_addr = value;
    return ret;
  }
  if (key == "CONFIG_BUTTON_OSC_RELEASED_VALUE") {
    ret = prefs_.putString("osc_released_value", value);
    if (ret > 0)
      settings.osc_released_value = value;
    return ret;
  }
  if (key == "CONFIG_STROBE_ENABLE") {
    ret = prefs_.putBool("strobe_enable", value == "1");
    if (ret > 0)
      settings.strobe_enable = (bool)value.toInt();
    return ret;
  }
  if (key == "CONFIG_STROBE_PIN") {
    ret = prefs_.putUChar("strobe_led_pin", value.toInt());
    if (ret > 0)
      settings.strobe_led_pin = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STROBE_UNIVERSE") {
    ret = prefs_.putUShort("strobe_universe", value.toInt());
    if (ret > 0)
      settings.strobe_universe = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STROBE_ADDRESS") {
    ret = prefs_.putUShort("strobe_address", value.toInt());
    if (ret > 0)
      settings.strobe_address = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STRIP_ENABLE") {
    ret = prefs_.putBool("strip_enable", value == "1");
    if (ret > 0)
      settings.strip_enable = (bool)value.toInt();
    return ret;
  }
  if (key == "CONFIG_STRIP_PIN") {
    ret = prefs_.putUChar("strip_data_pin", value.toInt());
    if (ret > 0)
      settings.strip_data_pin = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STRIP_COUNT") {
    ret = prefs_.putUShort("strip_led_count", value.toInt());
    if (ret > 0)
      settings.strip_led_count = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STRIP_UNIVERSE") {
    ret = prefs_.putUShort("strip_universe", value.toInt());
    if (ret > 0)
      settings.strip_universe = value.toInt();
    return ret;
  }
  if (key == "CONFIG_STRIP_ADDRESS") {
    ret = prefs_.putUShort("strip_address", value.toInt());
    if (ret > 0)
      settings.strip_address = value.toInt();
    return ret;
  }
  if (Serial)
    ESP_LOGW(TAG, "Unable to change setting for %s", key);
  return ret;
}

} // namespace config