#include "weather_detail_screen.h"
#include "../../include/text_utils.h"
#include <M5Stack.h>
#include "../../include/theme.h"
#include "../icons/icons.h"
#include "../api/weather_api.h"

namespace {
    WeatherData lastWeather;
    bool ok = false;
}

void renderWeatherDetailScreen(bool forceRefresh) {
    if (forceRefresh || !ok) {
        WeatherData w = fetchWeather();
        ok = w.valid;
        if (w.valid) lastWeather = w;
    }

    M5.Lcd.fillScreen(Theme::BG);
    M5.Lcd.setTextColor(Theme::TEXT, Theme::BG);
    M5.Lcd.setTextSize(2);
    M5.Lcd.setCursor(10, 10);
    M5.Lcd.print("Wettervorhersage");

    if (!ok) {
        Icons::drawRetryIcon(30, 60, 12);
        M5.Lcd.setTextColor(Theme::TEXT_DIM, Theme::BG);
        M5.Lcd.setCursor(50, 55);
        M5.Lcd.print("Keine Verbindung");
        return;
    }

    int y = 40;
    int shown = 0;
    for (const auto &fe : lastWeather.forecast) {
        if (shown >= 6 || y > 220) break;

        Icons::drawWeatherIcon(fe.symbol, 20, y + 8, 10);

        M5.Lcd.setTextColor(Theme::TEXT, Theme::BG);
        M5.Lcd.setTextSize(1);
        int tIdx = fe.time.indexOf('T');
        String hhmm = tIdx > 0 ? fe.time.substring(tIdx + 1, tIdx + 6) : fe.time;
        M5.Lcd.setCursor(40, y);
        M5.Lcd.print(hhmm);

        M5.Lcd.setCursor(90, y);
        M5.Lcd.printf("%d C", fe.temperature);

        M5.Lcd.setCursor(140, y);
        M5.Lcd.print(sanitizeGermanText(fe.description.substring(0, 12)));

        if (fe.precipitationType == "rain" && fe.precipitationProbability > 0.0f) {
            M5.Lcd.setTextColor(Theme::ACCENT_RAIN, Theme::BG);
            M5.Lcd.setCursor(250, y);
            M5.Lcd.printf("%.0f%%", fe.precipitationProbability * 100);
        }

        y += 28;
        shown++;
    }

    M5.Lcd.setTextColor(Theme::TEXT_DIM, Theme::BG);
    M5.Lcd.setTextSize(1);
    M5.Lcd.setCursor(10, 228);
    M5.Lcd.print("A:Kalender  B:Home  C:MVG");
}