#include "contentmanager.h"

#include <Arduino.h>
#include <ArduinoJson.h>
#include <HTTPClient.h>
#include <MD5Builder.h>
#include <locale.h>
#include <rssClass.h>
#include <time.h>

#include "U8g2_for_TFT_eSPI.h"
#include "commstructs.h"
#include "makeimage.h"
#include "newproto.h"
#include "qrcode.h"
#include "web.h"

#define PAL_BLACK 0
#define PAL_WHITE 9
#define PAL_RED 2

enum contentModes {
    Image,
    Today,
    CountDays,
    CountHours,
    Weather,
    Firmware,
    Memo,
    ImageUrl,
    Forecast,
    RSSFeed,
    QRcode,
};

void contentRunner() {
    time_t now;
    time(&now);

    for (int16_t c = 0; c < tagDB.size(); c++) {
        tagRecord* taginfo = nullptr;
        taginfo = tagDB.at(c);

        if (taginfo->RSSI && (now >= taginfo->nextupdate || taginfo->wakeupReason == WAKEUP_REASON_GPIO)) {
            uint8_t mac8[8] = {0, 0, 0, 0, 0, 0, 0, 0};
            memcpy(mac8 + 2, taginfo->mac, 6);
            uint8_t src[8];
            *((uint64_t *)src) = swap64(*((uint64_t *)mac8));

            drawNew(src, (taginfo->wakeupReason == WAKEUP_REASON_GPIO), taginfo);
            taginfo->wakeupReason = 0;
        }
    }
}

void drawNew(uint8_t mac[8], bool buttonPressed, tagRecord *&taginfo) {
    time_t now;
    time(&now);

    char buffer[64];
    uint8_t src[8];
    *((uint64_t *)src) = swap64(*((uint64_t *)mac));
    sprintf(buffer, "%02X%02X%02X%02X%02X%02X\0", src[2], src[3], src[4], src[5], src[6], src[7]);
    String dst = (String)buffer;

    String filename = "/" + dst + ".raw";

    struct tm time_info;
    getLocalTime(&time_info);
    time_info.tm_hour = 0;
    time_info.tm_min = 0;
    time_info.tm_sec = 0;
    time_info.tm_mday++;
    time_t midnight = mktime(&time_info);

    DynamicJsonDocument doc(500);
    deserializeJson(doc, taginfo->modeConfigJson);
    JsonObject cfgobj = doc.as<JsonObject>();

    wsLog("Updating " + dst);
    taginfo->nextupdate = now + 60;
    
    imgParam imageParams;
    imageParams.hasRed = false;
    imageParams.dataType = DATATYPE_IMG_RAW_1BPP;

        switch (taginfo->contentMode) {
        case Image:

            if (cfgobj["filename"].as<String>() && cfgobj["filename"].as<String>() != "null" && !cfgobj["#fetched"].as<bool>()) {
                jpg2buffer(cfgobj["filename"].as<String>(), filename, imageParams);
                if (imageParams.hasRed) imageParams.dataType = DATATYPE_IMG_RAW_2BPP;
                if (prepareDataAvail(&filename, imageParams.dataType, mac, cfgobj["timetolive"].as<int>())) {
                    cfgobj["#fetched"] = true;
                } else {
                    wsErr("Error accessing " + filename);
                }
                taginfo->nextupdate = 3216153600;
            }
            break;

        case Today:

            drawDate(filename, taginfo, imageParams);
            taginfo->nextupdate = midnight;
            updateTagImage(filename, mac, (midnight - now) / 60 - 10, imageParams);
            break;

        case CountDays:

            if (buttonPressed) cfgobj["counter"] = 0;
            drawNumber(filename, (int32_t)cfgobj["counter"], (int32_t)cfgobj["thresholdred"], taginfo, imageParams);
            taginfo->nextupdate = midnight;
            updateTagImage(filename, mac, (buttonPressed ? 0 : 15), imageParams);
            cfgobj["counter"] = (int32_t)cfgobj["counter"] + 1;
            break;

        case CountHours:

            if (buttonPressed) cfgobj["counter"] = 0;
            drawNumber(filename, (int32_t)cfgobj["counter"], (int32_t)cfgobj["thresholdred"], taginfo, imageParams);
            taginfo->nextupdate = now + 3600;
            updateTagImage(filename, mac, (buttonPressed ? 0 : 5), imageParams);
            cfgobj["counter"] = (int32_t)cfgobj["counter"] + 1;
            break;

        case Weather:

            // https://open-meteo.com/
            // https://geocoding-api.open-meteo.com/v1/search?name=eindhoven
            // https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current_weather=true
            // https://github.com/erikflowers/weather-icons

            drawWeather(filename, cfgobj["location"], taginfo, imageParams);
            taginfo->nextupdate = now + 3600;
            updateTagImage(filename, mac, 15, imageParams);
            break;

        case Forecast:

            drawForecast(filename, cfgobj["location"], taginfo, imageParams);
            taginfo->nextupdate = now + 3 * 3600;
            updateTagImage(filename, mac, 15, imageParams);
            break;

        case Firmware:

            filename = cfgobj["filename"].as<String>();
            if (filename && filename != "null" && !cfgobj["#fetched"].as<bool>()) {
                if (prepareDataAvail(&filename, DATATYPE_FW_UPDATE, mac, cfgobj["timetolive"].as<int>())) {
                    cfgobj["#fetched"] = true;
                } else {
                    wsErr("Error accessing " + filename);
                }
                cfgobj["filename"]="";
                taginfo->nextupdate = 3216153600;
                taginfo->contentMode = Image;
            } else {
                taginfo->nextupdate = now + 300;
            }
            break;

        case Memo:

            drawIdentify(filename, taginfo, imageParams);
            taginfo->nextupdate = now + 12 * 3600;
            updateTagImage(filename, mac, 0, imageParams);
            break;

        case ImageUrl:

            if (getImgURL(filename, cfgobj["url"], (time_t)cfgobj["#fetched"], imageParams)) {
                taginfo->nextupdate = now + 60 * (cfgobj["interval"].as<int>() < 5 ? 5 : cfgobj["interval"].as<int>());
                updateTagImage(filename, mac, cfgobj["interval"].as<int>(), imageParams);
                cfgobj["#fetched"] = now;
            } else {
                taginfo->nextupdate = now + 300;
            }
            break;

        case RSSFeed:

            if (getRSSfeed(filename, cfgobj["url"], cfgobj["title"], taginfo, imageParams)) {
                taginfo->nextupdate = now + 60 * (cfgobj["interval"].as<int>() < 5 ? 5 : cfgobj["interval"].as<int>());
                updateTagImage(filename, mac, cfgobj["interval"].as<int>(), imageParams);
            } else {
                taginfo->nextupdate = now + 300;
            }
            break;

        case QRcode:

            drawQR(filename, cfgobj["qr-content"], cfgobj["title"], taginfo, imageParams);
            taginfo->nextupdate = now + 12 * 3600;
            updateTagImage(filename, mac, 0, imageParams);
            break;
        }

    taginfo->modeConfigJson = doc.as<String>();
}

bool updateTagImage(String &filename, uint8_t *dst, uint16_t nextCheckin, imgParam &imageParams) {
    if (imageParams.hasRed) imageParams.dataType = DATATYPE_IMG_RAW_2BPP;
    prepareDataAvail(&filename, imageParams.dataType, dst, nextCheckin);
    return true;
}

void drawString(TFT_eSprite &spr, String content, uint16_t posx, uint16_t posy, String font, byte align,uint16_t color) {
    // drawString(spr,"test",100,10,"bahnschrift30",TC_DATUM,PAL_RED);
    spr.setTextDatum(align);
    if (font != "") spr.loadFont(font, LittleFS);
    spr.setTextColor(color, PAL_WHITE);
    spr.drawString(content, posx, posy);
    if (font != "") spr.unloadFont();
}

void initSprite(TFT_eSprite &spr, int w, int h) {
    spr.setColorDepth(4);  // 4 bits per pixel, uses indexed color
    spr.createSprite(w, h);
    if (spr.getPointer() == nullptr) {
        wsErr("Failed to create sprite");
    }
    spr.fillSprite(PAL_WHITE);
}

void drawDate(String &filename, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);
    time_t now;
    time(&now);
    struct tm timeinfo;
    localtime_r(&now, &timeinfo);

    String Dag[] = {"zondag","maandag","dinsdag", "woensdag", "donderdag", "vrijdag", "zaterdag"};
    String Maand[] = {"januari", "februari", "maart", "april", "mei", "juni","juli", "augustus", "september", "oktober", "november", "december"};
    int weekday_number = timeinfo.tm_wday;
    int month_number = timeinfo.tm_mon;

    LittleFS.begin();

    if (taginfo->hwType == SOLUM_29_033) {

        initSprite(spr,296,128);
        drawString(spr, Dag[timeinfo.tm_wday], 296 / 2, 10, "fonts/calibrib62", TC_DATUM, PAL_RED);
        drawString(spr, String(timeinfo.tm_mday) + " " + Maand[timeinfo.tm_mon], 296 / 2, 73, "fonts/calibrib50", TC_DATUM);

    } else if (taginfo->hwType == SOLUM_154_033) {

        initSprite(spr, 152, 152);
        drawString(spr, Dag[timeinfo.tm_wday], 152 / 2, 10, "fonts/calibrib30", TC_DATUM);
        drawString(spr, String(Maand[timeinfo.tm_mon]), 152 / 2, 120, "fonts/calibrib30", TC_DATUM);
        drawString(spr, String(timeinfo.tm_mday), 152 / 2, 42, "fonts/numbers2-1", TC_DATUM, PAL_RED);
    }

    spr2buffer(spr, filename, imageParams);
    spr.deleteSprite();
}

void drawNumber(String &filename, int32_t count, int32_t thresholdred, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);
    LittleFS.begin();

    if (taginfo->hwType == SOLUM_29_033) {

        initSprite(spr, 296, 128);
        spr.setTextDatum(MC_DATUM);
        if (count > thresholdred) {
            spr.setTextColor(PAL_RED, PAL_WHITE);
        } else {
            spr.setTextColor(PAL_BLACK, PAL_WHITE);
        }
        String font = "fonts/numbers1-2";
        if (count > 999) font = "fonts/numbers2-2";
        if (count > 9999) font = "fonts/numbers3-2";
        spr.loadFont(font, LittleFS);
        spr.drawString(String(count), 296 / 2, 128 / 2 + 10);
        spr.unloadFont();

    } else if (taginfo->hwType == SOLUM_154_033) {

        initSprite(spr, 152, 152);
        spr.setTextDatum(MC_DATUM);
        if (count > thresholdred) {
            spr.setTextColor(PAL_RED, PAL_WHITE);
        } else {
            spr.setTextColor(PAL_BLACK, PAL_WHITE);
        }
        String font = "fonts/numbers1-1";
        if (count > 99) font = "fonts/numbers2-1";
        if (count > 999) font = "fonts/numbers3-1";
        spr.loadFont(font, LittleFS);
        spr.drawString(String(count), 152 / 2, 152 / 2 + 7);
        spr.unloadFont();

    }

    spr2buffer(spr, filename, imageParams);
    spr.deleteSprite();
}

void drawWeather(String &filename, String location, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);

    wsLog("get weather");
    HTTPClient http;
    http.begin("https://geocoding-api.open-meteo.com/v1/search?name=" + urlEncode(location.c_str()) + "&count=1");
    http.setTimeout(5000);  // timeout in ms
    int httpCode = http.GET();
    if (httpCode == 200) {

        StaticJsonDocument<1000> doc;
        DeserializationError error = deserializeJson(doc, http.getStream());
        http.end();

        http.begin("https://api.open-meteo.com/v1/forecast?latitude=" + doc["results"][0]["latitude"].as<String>() + "&longitude=" + doc["results"][0]["longitude"].as<String>() + "&current_weather=true&windspeed_unit=ms&timezone=" + doc["results"][0]["timezone"].as<String>());
        http.setTimeout(5000);  // timeout in ms
        int httpCode = http.GET();

        if (httpCode == 200) {

            StaticJsonDocument<200> filter;
            filter["current_weather"]["temperature"] = true;
            filter["current_weather"]["windspeed"] = true;
            filter["current_weather"]["winddirection"] = true;
            filter["current_weather"]["weathercode"] = true;

            doc.clear();
            DeserializationError error = deserializeJson(doc, http.getString(), DeserializationOption::Filter(filter));
            if (error) {
                Serial.println(F("deserializeJson() failed: "));
                Serial.println(error.c_str());
            }

            auto temperature = doc["current_weather"]["temperature"].as<double>();
            auto windspeed = doc["current_weather"]["windspeed"].as<int>();
            auto winddirection = doc["current_weather"]["winddirection"].as<int>();
            uint8_t weathercode = doc["current_weather"]["weathercode"].as<int>();
            if (weathercode > 40) weathercode -= 40;
            int wind = windSpeedToBeaufort(windspeed);

            String weatherIcons[] = {"\uf00d", "\uf00c", "\uf002", "\uf013", "\uf013", "\uf014", "-", "-", "\uf014", "-", "-",
             "\uf01a", "-", "\uf01a", "-", "\uf01a", "\uf017", "\uf017", "-", "-", "-",
             "\uf019", "-", "\uf019", "-", "\uf019", "\uf015", "\uf015", "-", "-", "-",
             "\uf01b", "-", "\uf01b", "-", "\uf01b", "-", "\uf076", "-", "-", "\uf01a",
             "\uf01a", "\uf01a", "-", "-", "\uf064", "\uf064", "-", "-", "-", "-",
             "-", "-", "-", "-", "\uf01e", "\uf01d", "-", "-", "\uf01e"};
            if (1==0) {   //nacht
                weatherIcons[0] = "\0uf02e";
                weatherIcons[1] = "\0uf083";
                weatherIcons[2] = "\0uf086";
            }

            doc.clear();

            LittleFS.begin();
            tft.setTextWrap(false,false);

            if (taginfo->hwType == SOLUM_29_033) {

                initSprite(spr, 296, 128);

                drawString(spr, location, 5, 5, "fonts/bahnschrift30");
                drawString(spr, String(wind), 280, 5, "fonts/bahnschrift30", TR_DATUM, (wind > 4 ? PAL_RED : PAL_BLACK));

                char tmpOutput[5];
                dtostrf(temperature, 2, 1, tmpOutput);
                drawString(spr, String(tmpOutput), 5, 65, "fonts/bahnschrift70", TL_DATUM, (temperature < 0 ? PAL_RED : PAL_BLACK));

                spr.loadFont("fonts/weathericons70", LittleFS);
                if (weathercode == 55 || weathercode == 65 || weathercode == 75 || weathercode == 82 || weathercode == 86 || weathercode == 95 || weathercode == 99) {
                    spr.setTextColor(PAL_RED, PAL_WHITE);
                } else {
                    spr.setTextColor(PAL_BLACK, PAL_WHITE);
                }

                spr.setCursor(185, 32);
                spr.printToSprite(weatherIcons[weathercode]);
                spr.unloadFont();

                spr.loadFont("fonts/weathericons30", LittleFS);
                spr.setTextColor(PAL_BLACK, PAL_WHITE);
                spr.setCursor(235, -3);
                spr.printToSprite(windDirectionIcon(winddirection));
                if (weathercode > 10) {
                    spr.setTextColor(PAL_RED, PAL_WHITE);
                    spr.setCursor(190, 0);
                    spr.printToSprite("\uf084");
                }
                spr.unloadFont();

            } else if (taginfo->hwType == SOLUM_154_033) {

                initSprite(spr, 152, 152);
                spr.setTextDatum(TL_DATUM);

                spr.setTextFont(2);
                spr.setTextColor(PAL_BLACK, PAL_WHITE);
                spr.drawString(location, 10, 130);

                char tmpOutput[5];
                dtostrf(temperature, 2, 1, tmpOutput);
                drawString(spr, String(tmpOutput), 10, 10, "fonts/bahnschrift30", TL_DATUM, (temperature < 0 ? PAL_RED : PAL_BLACK));

                spr.loadFont("fonts/weathericons78", LittleFS);
                if (weathercode == 55 || weathercode == 65 || weathercode == 75 || weathercode == 82 || weathercode == 86 || weathercode == 95 || weathercode == 99) {
                    spr.setTextColor(PAL_RED, PAL_WHITE);
                } else {
                    spr.setTextColor(PAL_BLACK, PAL_WHITE);
                }

                spr.setCursor(30, 33);
                spr.printToSprite(weatherIcons[weathercode]);
                spr.unloadFont();

                drawString(spr, String(wind), 140, 10, "fonts/bahnschrift30", TR_DATUM, (wind > 4 ? PAL_RED : PAL_BLACK));

                spr.loadFont("fonts/weathericons30", LittleFS);
                spr.setTextColor(PAL_BLACK, PAL_WHITE);
                spr.setCursor(100, -2);
                spr.printToSprite(windDirectionIcon(winddirection));
                if (weathercode > 10) {
                    spr.setTextColor(PAL_RED, PAL_WHITE);
                    spr.setCursor(115, 110);
                    spr.printToSprite("\uf084");
                }
                spr.unloadFont();

            }

            spr2buffer(spr, filename, imageParams);
            spr.deleteSprite();
        }
    }
    http.end();
}

void drawForecast(String &filename, String location, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);

    wsLog("get weather");
    HTTPClient http;
    http.begin("https://geocoding-api.open-meteo.com/v1/search?name=" + urlEncode(location.c_str()) + "&count=1");
    http.setTimeout(5000);  // timeout in ms
    int httpCode = http.GET();
    if (httpCode == 200) {
        DynamicJsonDocument doc(2000);
        DeserializationError error = deserializeJson(doc, http.getStream());
        http.end();

        http.begin("https://api.open-meteo.com/v1/forecast?latitude=" + doc["results"][0]["latitude"].as<String>() + "&longitude=" + doc["results"][0]["longitude"].as<String>() + "&daily=weathercode,temperature_2m_max,temperature_2m_min,precipitation_sum,windspeed_10m_max,winddirection_10m_dominant&windspeed_unit=ms&timeformat=unixtime&timezone=" + doc["results"][0]["timezone"].as<String>());

        doc.clear();
        http.setTimeout(5000);  // timeout in ms
        int httpCode = http.GET();

        if (httpCode == 200) {
            StaticJsonDocument<500> filter;
            filter["daily"]["time"][0] = true;
            filter["daily"]["weathercode"][0] = true;
            filter["daily"]["temperature_2m_max"][0] = true;
            filter["daily"]["temperature_2m_min"][0] = true;
            filter["daily"]["precipitation_sum"][0] = true;
            filter["daily"]["windspeed_10m_max"][0] = true;
            filter["daily"]["winddirection_10m_dominant"][0] = true;

            //DeserializationError error = deserializeJson(doc, http.getString(), DeserializationOption::Filter(filter));
            DeserializationError error = deserializeJson(doc, http.getString());
            if (error) {
                Serial.println(F("deserializeJson() failed: "));
                Serial.println(error.c_str());
            }

            static const char *weekday_name[] = {"ZO", "MA", "DI", "WO", "DO", "VR", "ZA"};

            String weatherIcons[] = {"\uf00d", "\uf00c", "\uf002", "\uf013", "\uf013", "\uf014", "-", "-", "\uf014", "-", "-",
                                     "\uf01a", "-", "\uf01a", "-", "\uf01a", "\uf017", "\uf017", "-", "-", "-",
                                     "\uf019", "-", "\uf019", "-", "\uf019", "\uf015", "\uf015", "-", "-", "-",
                                     "\uf01b", "-", "\uf01b", "-", "\uf01b", "-", "\uf076", "-", "-", "\uf01a",
                                     "\uf01a", "\uf01a", "-", "-", "\uf064", "\uf064", "-", "-", "-", "-",
                                     "-", "-", "-", "-", "\uf01e", "\uf01d", "-", "-", "\uf01e"};

            LittleFS.begin();
            tft.setTextWrap(false, false);

            if (taginfo->hwType == SOLUM_29_033) {
                initSprite(spr, 296, 128);

                spr.setTextFont(2);
                spr.setTextColor(PAL_BLACK, PAL_WHITE);
                spr.drawString(location, 5, 0);

                for (uint8_t dag = 0; dag < 5; dag++) {
                    time_t weatherday = doc["daily"]["time"][dag].as<time_t>();
                    struct tm *datum = localtime(&weatherday);
                    drawString(spr, String(weekday_name[datum->tm_wday]), dag * 59 + 30, 18, "fonts/twbold20", TC_DATUM, PAL_BLACK);

                    uint8_t weathercode = doc["daily"]["weathercode"][dag].as<int>();
                    if (weathercode > 40) weathercode -= 40;

                    spr.loadFont("fonts/weathericons30", LittleFS);
                    if (weathercode == 55 || weathercode == 65 || weathercode == 75 || weathercode == 82 || weathercode == 86 || weathercode == 95 || weathercode == 99) {
                        spr.setTextColor(PAL_RED, PAL_WHITE);
                    } else {
                        spr.setTextColor(PAL_BLACK, PAL_WHITE);
                    }
                    spr.setTextDatum(TL_DATUM);
                    spr.setCursor(12 + dag * 59, 58);
                    spr.printToSprite(weatherIcons[weathercode]);

                    spr.setTextColor(PAL_BLACK, PAL_WHITE);
                    spr.setCursor(17 + dag * 59, 27);
                    spr.printToSprite(windDirectionIcon(doc["daily"]["winddirection_10m_dominant"][dag]));
                    spr.unloadFont();

                    int8_t tmin = round(doc["daily"]["temperature_2m_min"][dag].as<double>());
                    int8_t tmax = round(doc["daily"]["temperature_2m_max"][dag].as<double>());
                    uint8_t wind = windSpeedToBeaufort(doc["daily"]["windspeed_10m_max"][dag].as<double>());

                    spr.loadFont("fonts/GillSC20", LittleFS);
                    drawString(spr, String(tmin) + " ", dag * 59 + 30, 108, "", TR_DATUM, (tmin < 0 ? PAL_RED : PAL_BLACK));
                    drawString(spr, String(" ") + String(tmax), dag * 59 + 30, 108, "", TL_DATUM, (tmax < 0 ? PAL_RED : PAL_BLACK));
                    drawString(spr, String(" ") + String(wind), dag * 59 + 30, 43, "", TL_DATUM, (wind > 5 ? PAL_RED : PAL_BLACK));
                    spr.unloadFont();
                    if (dag>0) {
                        for (int i = 20; i < 128; i+=3) {
                            spr.drawPixel(dag * 59, i, PAL_BLACK);
                        }
                    }
                }

            }
            spr2buffer(spr, filename, imageParams);
            spr.deleteSprite();
        }
    }
    http.end();
}

void drawIdentify(String &filename, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);
    LittleFS.begin();

    if (taginfo->hwType == SOLUM_29_033) {
        initSprite(spr, 296, 128);
        drawString(spr, taginfo->alias, 10, 10, "fonts/bahnschrift20");
        drawString(spr, mac62hex(taginfo->mac), 10, 50, "fonts/bahnschrift20", TL_DATUM, PAL_RED);

    } else if (taginfo->hwType == SOLUM_154_033) {
        initSprite(spr, 152, 152);
        drawString(spr, taginfo->alias, 5, 5, "fonts/bahnschrift20");
        drawString(spr, mac62hex(taginfo->mac), 10, 50, "fonts/bahnschrift20", TL_DATUM, PAL_RED);
    }

    spr2buffer(spr, filename, imageParams);
    spr.deleteSprite();
}

bool getImgURL(String &filename, String URL, time_t fetched, imgParam &imageParams) {
    // https://images.klari.net/kat-bw29.jpg

    LittleFS.begin();
 
    Serial.println("get external " + URL);
    HTTPClient http;
    http.begin(URL);
    http.addHeader("If-Modified-Since", formatHttpDate(fetched));
    http.setTimeout(5000);  //timeout in ms
    int httpCode = http.GET();
    if (httpCode == 200) {
        File f = LittleFS.open("/temp/temp.jpg", "w");
        if (f) {
            http.writeToStream(&f);
            f.close();
            jpg2buffer("/temp/temp.jpg", filename, imageParams);
        }
    } else {
        if (httpCode!=304) { 
            wsErr("http " + URL + " " + String(httpCode));
        } else {
            wsLog("http " + URL + " " + String(httpCode));
        }
    }
    http.end();
    return (httpCode == 200 || httpCode == 304);
}

rssClass reader;

bool getRSSfeed(String &filename, String URL, String title, tagRecord *&taginfo, imgParam &imageParams) {
    // https://github.com/garretlab/shoddyxml2

    // http://feeds.feedburner.com/tweakers/nieuws
    // https://www.nu.nl/rss/Algemeen

    Serial.println("RSS feed");
    struct tm timeInfo;
    char header[32];
    getLocalTime(&timeInfo);
    sprintf(header, "%02d-%02d-%04d %02d:%02d", timeInfo.tm_mday, timeInfo.tm_mon + 1, timeInfo.tm_year + 1900, timeInfo.tm_hour, timeInfo.tm_min);

    const char *url = URL.c_str();
    const char *tag = "title";
    const int rssArticleSize = 128;
    const int rssNumArticle = 8;

    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);
    U8g2_for_TFT_eSPI u8f;
    u8f.begin(spr);

    if (taginfo->hwType == SOLUM_29_033) {
        initSprite(spr, 296, 128);
        if (title=="" || title=="null") title="RSS feed";
        drawString(spr, title, 5, 3, "fonts/bahnschrift20", TL_DATUM, PAL_RED);

        u8f.setFont(u8g2_font_glasstown_nbp_tr);  // select u8g2 font from here: https://github.com/olikraus/u8g2/wiki/fntlistall
        u8f.setFontMode(0);
        u8f.setFontDirection(0);
        u8f.setForegroundColor(PAL_BLACK);
        u8f.setBackgroundColor(PAL_WHITE);
        u8f.setCursor(220, 20);
        u8f.print(header);

        // u8g2_font_nine_by_five_nbp_tr
        // u8g2_font_7x14_tr
        // u8g2_font_crox1h_tr
        // u8g2_font_miranda_nbp_tr
        u8f.setFont(u8g2_font_glasstown_nbp_tr);  // select u8g2 font from here: https://github.com/olikraus/u8g2/wiki/fntlistall

        int n = reader.getArticles(url, tag, rssArticleSize, rssNumArticle);
        for (int i = 0; i < n; i++) {
            u8f.setCursor(5, 34+i*13);  // start writing at this position
            u8f.print(reader.itemData[i]);
        }
    }

    spr2buffer(spr, filename, imageParams);
    spr.deleteSprite();

    return true;
}

void drawQR(String &filename, String qrcontent, String title, tagRecord *&taginfo, imgParam &imageParams) {
    TFT_eSPI tft = TFT_eSPI();
    TFT_eSprite spr = TFT_eSprite(&tft);
    LittleFS.begin();

    const char *text = qrcontent.c_str();
    QRCode qrcode;
    uint8_t qrcodeData[qrcode_getBufferSize(2)];
    // https://github.com/ricmoo/QRCode
    qrcode_initText(&qrcode, qrcodeData, 2, ECC_MEDIUM, text);
    int size = qrcode.size;
    int xpos = 0, ypos = 0, dotsize = 1;

    if (taginfo->hwType == SOLUM_29_033) {
        initSprite(spr, 296, 128);
        drawString(spr, title, 10, 5, "fonts/bahnschrift20");
        dotsize = int((128 - 25) / size);
        xpos = 149 - dotsize*size /2;
        ypos = 25;
    } else if (taginfo->hwType == SOLUM_154_033) {
        initSprite(spr, 152, 152);
        spr.setTextFont(2);
        spr.setTextColor(PAL_BLACK, PAL_WHITE);
        spr.drawString(title, 10, 5);
        dotsize = int((152 - 20) / size);
        xpos = 76 - dotsize*size / 2;
        ypos = 20;
    }

    for (int y = 0; y < size; y++) {
        for (int x = 0; x < size; x++) {
            if (qrcode_getModule(&qrcode, x, y)) {
                spr.fillRect(xpos + x * dotsize, ypos + y * dotsize, dotsize, dotsize, PAL_BLACK);
            }
        }
    }

    spr2buffer(spr, filename, imageParams);
    spr.deleteSprite();
}

char *formatHttpDate(time_t t) {
    static char buf[40];
    struct tm *timeinfo;
    timeinfo = gmtime(&t);
    strftime(buf, sizeof(buf), "%a, %d %b %Y %H:%M:%S GMT", timeinfo);
    return buf;
}

String urlEncode(const char *msg) {
    const char *hex = "0123456789ABCDEF";
    String encodedMsg = "";

    while (*msg != '\0') {
        if (
            ('a' <= *msg && *msg <= 'z') || ('A' <= *msg && *msg <= 'Z') || ('0' <= *msg && *msg <= '9') || *msg == '-' || *msg == '_' || *msg == '.' || *msg == '~') {
            encodedMsg += *msg;
        } else {
            encodedMsg += '%';
            encodedMsg += hex[(unsigned char)*msg >> 4];
            encodedMsg += hex[*msg & 0xf];
        }
        msg++;
    }
    return encodedMsg;
}

int windSpeedToBeaufort(float windSpeed) {
    int beaufort = 0;
    float speeds[] = {0.3, 1.5, 3.3, 5.5, 8, 10.8, 13.9, 17.2, 20.8, 24.5, 28.5, 32.7};
    for (int i = 0; i < 12; i++) {
        if (windSpeed >= speeds[i]) {
            beaufort = i + 1;
        }
    }
    return beaufort;
}

String windDirectionIcon(int degrees) {
    String directions[] = {"\uf044", "\uf088", "\uf04d", "\uf057", "\uf058", "\uf087", "\uf048", "\uf043"};
    int index = (degrees + 22) / 45;
    if (index >= 8) {
        index = 0;
    }
    return directions[index];
}

String mac62hex(uint8_t *mac) {
    char buffer[16];
    sprintf(buffer, "%02X%02X%02X%02X%02X%02X\0", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
    return (String)buffer;
}