#pragma once

#include <Arduino.h>

// ------------------------- Hardware configuration -------------------------
#if CONFIG_IDF_TARGET_ESP32C3
constexpr bool TARGET_IS_C3 = true;
constexpr uint8_t GPIO_PWM = 3;
constexpr uint8_t GPIO_RX = 4;
constexpr uint8_t GPIO_BUTTON_MODE = 0;
constexpr uint8_t GPIO_BUTTON_START = 1;
constexpr uint8_t GPIO_SDA = 6;
constexpr uint8_t GPIO_SCL = 7;
#elif CONFIG_IDF_TARGET_ESP32S3
constexpr bool TARGET_IS_C3 = false;
constexpr uint8_t GPIO_PWM = 4;
constexpr uint8_t GPIO_RX = 5;
constexpr uint8_t GPIO_BUTTON_MODE = 6;
constexpr uint8_t GPIO_BUTTON_START = 7;
constexpr uint8_t GPIO_SDA = 8;
constexpr uint8_t GPIO_SCL = 9;
#else
#error "Only ESP32-C3 and ESP32-S3 are supported"
#endif

constexpr uint8_t OLED_ROTATION = 0;

constexpr uint8_t OLED_ADDRESS = 0x3C;
constexpr uint8_t ESPNOW_WIFI_CHANNEL = 6;
constexpr uint32_t SERIAL_BAUD = 115200;
constexpr bool SERIAL_ACTION_LOG = true;
constexpr bool SERIAL_LOG_TIMESTAMPS = true;
constexpr bool SERIAL_MINIMAL_LOG = true;

#define BUTTON_ACTIVE_LEVEL LOW
#define RX_SIGNAL_INVERTED false
#define PWM_SAFE_LEVEL LOW
#define PWM_SETTLE_CYCLES 5U

constexpr uint32_t BUTTON_DEBOUNCE_MS = 30;
constexpr uint32_t BUTTON_LONG_PRESS_MS = 800;
constexpr uint32_t BUTTON_REPEAT_DELAY_MS = 600;
constexpr uint32_t BUTTON_REPEAT_MS = 180;
constexpr uint32_t FACTORY_RESET_HOLD_MS = 1500;

constexpr uint32_t LINK_REPLY_TIMEOUT_MS = 1500;
constexpr uint8_t LINK_PACKET_RETRIES = 10;
constexpr uint32_t LINK_RETRY_INTERVAL_MS = 1000;
constexpr uint32_t LINK_HEARTBEAT_INTERVAL_MS = 500;
constexpr uint32_t LINK_HEARTBEAT_TIMEOUT_MS = 2500;
constexpr uint32_t FINAL_ACK_RETRY_INTERVAL_MS = 50;
constexpr uint8_t FINAL_ACK_RETRIES = 2;
constexpr uint8_t NO_SIGNAL_TIMEOUT_PERIODS = 8;
constexpr uint16_t RMT_MIN_RECEIVE_SYMBOLS = 48;
constexpr uint16_t RMT_MAX_RECEIVE_SYMBOLS = 512;
constexpr uint32_t RMT_TARGET_CHUNK_US = 5000;
constexpr uint8_t RMT_QUEUE_BLOCKS = 8;
constexpr uint16_t PERIOD_BATCH_SIZE = 128;
constexpr uint8_t MEASUREMENT_PROGRESS_STEPS = 10;

constexpr uint32_t C3_STRICT_MAX_HZ = 1000000;
constexpr uint32_t S3_STRICT_MAX_HZ = 1000000;
// RMT stores each HIGH/LOW duration in 15 bits. At 80 MHz that limits a
// single level to about 409 us, so even a 1 kHz signal with 50% duty cannot
// be captured. 20 MHz still provides 20 ticks at 1 MHz (5% resolution),
// while allowing level durations up to about 1.64 ms for the 1 kHz/90% case.
constexpr uint32_t CAPTURE_RESOLUTION_HZ = 20000000;
// Arduino-ESP32 uses the 40 MHz crystal as the default LEDC clock on C3/S3.
// Keep this explicit so the resolution calculation never asks LEDC for an
// impossible frequency/resolution combination.
constexpr uint32_t LEDC_SOURCE_CLOCK_HZ = 40000000;
constexpr uint8_t LEDC_CHANNEL = 0;
constexpr uint8_t LEDC_MAX_BITS = 14;

// -------------------------- Menu value arrays -----------------------------
constexpr uint32_t START_FREQ_OPTIONS_HZ[] = {1000, 2000, 5000, 10000, 20000, 50000};
constexpr uint32_t END_FREQ_OPTIONS_HZ[] = {100000, 200000, 500000, 750000, 1000000};
constexpr uint32_t STEP_OPTIONS_HZ[] = {1000, 2000, 5000, 10000, 20000, 50000, 100000};
constexpr float ACCURACY_OPTIONS_PCT[] = {1.0f, 2.0f, 5.0f, 10.0f};
constexpr uint32_t TEST_TIME_OPTIONS_MS[] = {100, 250, 500, 1000, 2000, 5000};
constexpr uint8_t REPEAT_OPTIONS[] = {1, 2, 3, 5, 10};
constexpr uint8_t DUTY_OPTIONS_PCT[] = {10, 25, 50, 75, 90};

template <typename T, size_t N> constexpr size_t countOf(const T (&)[N]) { return N; }