using CMS_CORE_Library.Models;
using Step.Model.DTOModels;
using Step.NC;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Web.Http;
using static CMS_CORE_Library.Models.DataStructures;
using static Step.Config.ServerConfig;
using static Step.Model.Constants;
using static Step.Utils.LanguageController;

namespace Step.Controllers.WebApi
{
    [RoutePrefix("api/language")]
    public class LanguageController : ApiController
    {
        [Route("languages"), HttpGet]
        public IHttpActionResult GetLanguageList()
        {
            List<DTOLanguageModel> availableLanguages = GetLanguageListFromDirectory();
            if (availableLanguages == null)
                return NotFound();

            using (NcAdapter ncAdapter = new NcAdapter())
            {
                ICollection<CultureInfo> cultureInfos = new List<CultureInfo>();

                // Get nc available language 
                CmsError cmsError = ncAdapter.numericalControl.NC_GetAvailableLanguages(ref cultureInfos);
                if (cmsError.IsError())
                    return BadRequest(cmsError.localizationKey);
                // Filter available language with
                availableLanguages = availableLanguages.Where(x => cultureInfos.Any(y => y.TwoLetterISOLanguageName == x.IsoId)).ToList();
            }

            return Ok(availableLanguages);
        }

        [Route("{language}"), HttpGet()]
        public IHttpActionResult GetTranslations(string language)
        {
            if (!IsValidLanguage(language))
                return BadRequest("Language not exists");

            if (!LanguageIsAvailable(language))
                return NotFound();

            Dictionary<string, string> translations = GetTranslationsFromFile(language);

            // Get Maintenance, Softkey, Plc Alarm translations
            Dictionary<string, string> maintenanceNames = GetLocalizeMaintenanceName(language);
            Dictionary<string, string> softKeysNames = GetLocalizedSoftKeysNames(language);
            Dictionary<string, string> alarmsNames = GetPlcAlarmsTranslations(language);
            Dictionary<string, string> headsNames = GetLocalizedHeadsNames(language);
            
            Dictionary<string, string> magazinesNames = GetToolManagerTranslations(language);

            Dictionary<string, string> scadaTranslations = GetScadaTranslations(language);
            Dictionary<string, string> m156Translations = GetM156Translations(language);

            // Cooling
            if (NcConfig.NcVendor != NC_VENDOR.SIEMENS)
            {
                Dictionary<string, string> coolingNames = GetCoolingTranslations(language);
                foreach (var coolingItem in coolingNames)
                {
                    translations[coolingItem.Key] = coolingItem.Value;
                }
            }

            // Concat maintenances dictionary with translations dictionary
            translations = translations.Concat(maintenanceNames).ToDictionary(x => x.Key, x => x.Value);
            // Softkeys
            translations = translations.Concat(softKeysNames).ToDictionary(x => x.Key, x => x.Value);
            // Alarms
            translations = translations.Concat(alarmsNames).ToDictionary(x => x.Key, x => x.Value);
            // Heads
            translations = translations.Concat(headsNames).ToDictionary(x => x.Key, x => x.Value);
            // Magazines
            translations = translations.Concat(magazinesNames).ToDictionary(x => x.Key, x => x.Value);
            // Scada
            translations = translations.Concat(scadaTranslations).ToDictionary(x => x.Key, x => x.Value);
            // Add m156 translations
            translations = translations.Concat(m156Translations).ToDictionary(x => x.Key, x => x.Value);

            if (translations == null)
                return InternalServerError();

            return Ok(translations);
        }

        private static Dictionary<string, string> GetLocalizeMaintenanceName(string language)
        {
            Dictionary<string, string> localizedStrings = new Dictionary<string, string>();

            // Get localized name
            localizedStrings = MaintenancesConfig
                .ToDictionary(
                x => MAINTENANCE_PREFIX_ID + x.Id.ToString(), // Prefix + maintenance id
                x => GetValueFromLocalizationList(x.LocalizedName, language, "Maintenance_" + x.Id)
                );

            // Get localized description
            localizedStrings = localizedStrings.Concat(MaintenancesConfig
                .ToDictionary(
                x => MAINTENANCE_DESC_PREFIX_ID + x.Id.ToString(), // Description Prefix + maintenance id
                x => GetValueFromLocalizationList(x.LocalizedDescription, language, "Maintenance_" + x.Id)
                )).ToDictionary(x => x.Key, x => x.Value);

            return localizedStrings;
        }

        private static Dictionary<string, string> GetLocalizedSoftKeysNames(string language)
        {
            return SoftKeysConfig
                .ToDictionary(
                x => SOFTKEY_PREFIX_ID + x.Id.ToString(), // PREFIX + softkey Id
                x => GetValueFromLocalizationList(x.LocalizedNames, language, "SoftKey_" + x.Id)
                );
        }


        private static Dictionary<string, string> GetLocalizedHeadsNames(string language)
        {
            return HeadsConfig
                .ToDictionary(
                x => SOFTKEY_HEAD_ID + x.Id.ToString(), // PREFIX + softkey Id
                x => GetValueFromLocalizationList(x.LocalizedNames, language, "Head_" + x.Id)
                );
        }

        private static string GetValueFromLocalizationList(Dictionary<string, string> localizedNames, string language, string defaultString)
        {
            // Find text from names by language id
            var value = localizedNames.Where(y => y.Key == language).FirstOrDefault();
            // Set default value
            if (value.Key == null)
                return defaultString;
            else
                return value.Value;
        }

        public static Dictionary<string, string> GetPlcAlarmsTranslations(string language)
        {
            using (NcAdapter ncAdapter = new NcAdapter())
            {
                Dictionary<string, string> returnValue = new Dictionary<string, string>();

                Dictionary<int, string> messages = new Dictionary<int, string>();
                // Read data from CN
                ncAdapter.numericalControl.NC_GetTranslatedPlcMessages(language, ref messages); // Avoid checking error because in the worst case "messages" is empty
                
                // Id start from 1
                for (int i = 1; i <= 1024; i++)
                {
                    // Get configurated alarms
                    var tmpAlarmConfig = InitialAlarmsConfig.Where(x => x.PlcId == i).FirstOrDefault();
                    // Default string
                    string message = string.Format(NOT_CONFIGURATED_ALARM_MESSAGE, i);
                    // If is configurated
                    if (tmpAlarmConfig != null)
                    {
                        // Find translated string
                        message = messages.Where(x => x.Key == tmpAlarmConfig.AlarmId).FirstOrDefault().Value;
                        if (message == null)
                            message = string.Format(NOT_FOUND_ALARM_MESSAGE, i);
                    }
                    // Add to dictionary
                    returnValue.Add(
                            ALARM_PREFIX + i,
                            message
                            );
                }
                return returnValue;
            }
        }

        private static Dictionary<string, string> GetCoolingTranslations(string language)
        {
            Dictionary<string, string> dictionary = new Dictionary<string, string>();

            // Find translated key
            var key = ToolManagerConfig.CooligsTranslations.Cooling.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                // Add translated value \   
                dictionary.Add("tooling_family_param_cooling", key.Value);
                dictionary.Add("tooling_equipment_param_cooling", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling1.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling1", key.Value);
                dictionary.Add("tooling_equipment_param_cooling1", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling2.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling2", key.Value);
                dictionary.Add("tooling_equipment_param_cooling2", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling3.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling3", key.Value);
                dictionary.Add("tooling_equipment_param_cooling3", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling4.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling4", key.Value);
                dictionary.Add("tooling_equipment_param_cooling4", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling5.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling5", key.Value);
                dictionary.Add("tooling_equipment_param_cooling5", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling6.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling6", key.Value);
                dictionary.Add("tooling_equipment_param_cooling6", key.Value);
            }
            key = ToolManagerConfig.CooligsTranslations.Cooling7.Where(x => x.Key == language).FirstOrDefault();
            if (key.Value != null)
            {
                dictionary.Add("tooling_family_param_cooling7", key.Value);
                dictionary.Add("tooling_equipment_param_cooling7", key.Value);
            }
            return dictionary;
        }

        private static Dictionary<string, string> GetToolManagerTranslations(string language)
        {
            Dictionary<string, string> translatedNames = new Dictionary<string, string>();

            foreach (var mag in ToolManagerConfig.MagazineNames)
            {
                translatedNames.Add(
                    "magazine_name_" + mag.MagazineId,
                    GetValueFromLocalizationList(mag.LocalizedNames, language, "Magazine_" + mag.MagazineId)
                    );
            }

            foreach(var toolType in ToolManagerConfig.ToolTypes)
            {
                translatedNames.Add(
                       "tooling_equipment_list_select_" + toolType.Id,
                       GetValueFromLocalizationList(toolType.LocalizedNames, language, "Magazine_" + toolType.Id)
                       );
            }

            foreach (var offsetConfig in ToolManagerConfig.OffsetCustomFields)
            {
                translatedNames.Add(
                       "custom_offset_field_" + offsetConfig.Id,
                       GetValueFromLocalizationList(offsetConfig.LocalizedNames, language, "custom_offset_field_" + offsetConfig.Id)
                       );
            }

            return translatedNames;
        }

        private static Dictionary<string, string> GetScadaTranslations(string language)
        {
            Dictionary<string, string> translatedNames = new Dictionary<string, string>();

            // Loop throught labels Scada -> Layers -> Labels
            foreach(var scada in ProductionScadaSchema.Concat(ConfiguredScadaSchema))
            {
                foreach(var layer in scada.Layers)
                {
                    foreach(var label in layer.Labels)
                    {
                        // Find selected language
                        var translatedValue = label.Label.TextContents?.Where(y => y.LangKey == language).FirstOrDefault();
                        if (translatedValue != null)
                            translatedNames.Add("scada_label_" + label.Id, translatedValue.TextContent);
                        else
                           // default value
                            translatedNames.Add("scada_label_" + label.Id, "scada_label_" + label.Id);
                    }

                    foreach (var button in layer.Buttons)
                    {
                        // Find selected language
                        var translatedValue = button.Label.TextContents.Where(y => y.LangKey == language).FirstOrDefault();
                        if (translatedValue != null)
                            translatedNames.Add("scada_button_" + button.Id, translatedValue.TextContent);
                        else
                            // default value
                            translatedNames.Add("scada_button_" + button.Id, "scada_button_" + button.Id);
                    }
                }
            }

            return translatedNames;
        }

        public static Dictionary<string, string> GetM156Translations(string language)
        {
            Dictionary<string, string> translatedNames = new Dictionary<string, string>();

            foreach(var input in InputsOperatorConfig)
            {
                translatedNames.Add(
                    "m156_title_" + input.Id,
                    GetValueFromLocalizationList(input.Messages, language, "Title_" + input.Id)
                    );

                if(input.Buttons != null && input.Buttons.Count() > 0)
                    foreach(var button in input.Buttons)
                    {
                        // Add translated button text to the list
                        // Buttons have a Dictionary<string, string> with the translations
                        translatedNames.Add(
                           "m156_" + input.Id + "_button_" + button.Key,
                           GetValueFromLocalizationList(button.Value, language, "Button_" + button.Key) 
                           );
                    }
            }
             
            return translatedNames;
        }
    }
}