#pragma once

#include "DisplayDriver.h"
#include "ScreenData.h"
#include "Dashboard.h"

// Hold gesture result
struct HoldState {
  bool active    = false;
  bool charged   = false;
  bool completed = false;
  bool cancelled = false;
  uint16_t x     = 0;
  uint16_t y     = 0;
  unsigned long holdMs   = 0;
  unsigned long targetMs = 0;
  float progress = 0.0f;
};

// Hint animation state
struct HintAnim {
  bool running           = false;
  unsigned long startMs  = 0;
  unsigned long lastPlayMs = 0;

  static const unsigned long INITIAL_DELAY = 1500;
  static const unsigned long FILL_DUR      = 400;
  static const unsigned long HOLD_DUR      = 250;
  static const unsigned long DRAIN_DUR     = 500;
  static const unsigned long REPEAT_DELAY  = 5000;

  static constexpr float PEAK = 0.35f;

  unsigned long totalDur() const { return FILL_DUR + HOLD_DUR + DRAIN_DUR; }
};

class DisplayManager {
public:
  DisplayManager();
  void begin();
  void render(const ScreenState& state);
  void setBacklight(bool on);
  TouchEvent readTouch();

  int       dashboardTouch(uint16_t x, uint16_t y);
  HoldState updateHold(unsigned long requiredMs);
  void      startHintCycle();
  void      stopHint();
  bool      updateHint();
  float     holdProgress() const;

private:
  HintAnim _hint;
  void drawHintBar(float progress);

  Gfx       _tft;
  Dashboard _dash;

  ScreenID _lastScreen       = ScreenID::BOOT_SPLASH;
  bool     _needsFullRedraw  = true;
  bool     _lastBlink        = false;
  bool     _dashSpriteReady  = false;
  unsigned long _lastDashRefresh = 0;

  // Hold tracking
  bool     _holdActive    = false;
  bool     _holdCharged   = false;
  unsigned long _holdStartMs  = 0;
  unsigned long _holdChargeMs = 0;
  uint16_t _holdX         = 0;
  uint16_t _holdY         = 0;
  float    _holdProgress  = 0.0f;

  // Colors
  static constexpr uint16_t COL_NEON_TEAL   = 0x07D7;
  static constexpr uint16_t COL_HOT_FUCHSIA = 0xF81F;
  static constexpr uint16_t COL_WHITE       = 0xFFDF;
  static constexpr uint16_t COL_BLACK       = 0x0000;
  static constexpr uint16_t COL_MINT        = 0x67F5;
  static constexpr uint16_t COL_DARK_GRAY   = 0x2104;
  static constexpr uint16_t COL_GREEN       = 0x07E0;
  static constexpr uint16_t COL_RED         = 0xF800;
  static constexpr uint16_t COL_YELLOW      = 0xFFE0;

  // Screen renderers
  void drawBootSplash(const ScreenState& s);
  void drawWifiConnecting();
  void drawWifiConnected(const ScreenState& s);
  void drawWifiFailed();
  void drawAlertScreen(const ScreenState& s);
  void drawStatusScreen(const ScreenState& s);
  void drawDashboard(const ScreenState& s);
  void drawSilenceProgress(float progress, bool charged);

  // Helpers
  void drawCentered(const char* txt, int y, int sz, uint16_t col);
  void drawInfoLine(int x, int y, uint16_t col, const char* text);
  void drawHeaderBar(uint16_t col, const char* label, const char* timeStr);
};