// Shared pieces for the themed ESPHome pages (cyberpunk.cpp, konosuba.cpp): the
// Home Assistant values they show, and small drawing helpers.
#pragma once

#include <cctype>
#include <cmath>
#include <cstdarg>
#include <cstdint>
#include <cstdio>
#include <string>

#include "esphome/components/display/display.h"

namespace esphome::el512 {

struct Reading {
  std::string name;
  float value{NAN};
};

// Home Assistant values shown on the pages; NAN or "" when unknown. Filled
// from YAML (see the cp_home global in el512-panel.yaml).
struct HomeData {
  std::string weather;     // condition, e.g. "partlycloudy"
  float temp{NAN};         // °C
  float humidity{NAN};     // %
  float wind{NAN};         // km/h
  float solar{NAN};        // W
  float solar_today{NAN};  // Wh produced today
  float house{NAN};        // W
  float grid{NAN};         // W, > 0 = import
  std::string agenda;      // sensor.el512_agenda events: "day|time|title;..."
  Reading rooms[4];
};

namespace fx {

// Integer hash for repeatable pseudo-random effects (lowbias32).
inline uint32_t hash(uint32_t x) {
  x ^= x >> 16;
  x *= 0x7feb352d;
  x ^= x >> 15;
  x *= 0x846ca68b;
  x ^= x >> 16;
  return x;
}
inline uint32_t hash(uint32_t a, uint32_t b) { return hash(a * 0x9e3779b9u ^ hash(b)); }

inline std::string str(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
inline std::string str(const char *fmt, ...) {
  char buf[128];
  va_list args;
  va_start(args, fmt);
  vsnprintf(buf, sizeof(buf), fmt, args);
  va_end(args);
  return buf;
}

inline std::string upper(std::string s) {
  for (auto &c : s)
    c = (char) toupper((unsigned char) c);
  return s;
}

inline int text_width(display::Display &it, display::BaseFont *font, const char *text) {
  int x, y, w, h;
  it.get_text_bounds(0, 0, text, font, display::TextAlign::TOP_LEFT, &x, &y, &w, &h);
  return w;
}

}  // namespace fx
}  // namespace esphome::el512