#pragma once

#include <cstdint>
#include <string>

#include "peary/hal/Components.hpp"
#include "peary/interfaces/I2C/i2c.hpp"
namespace peary::component {

    class DAC7678 : public hal::Component {
    public:
        // Commands
        enum class Command {
            // Write commands
            WR_DAC_IN = 0x00,      // Set DAC; last four bit indicate the channel number
            WR_UPDATE = 0x10,      // Update DAC; last four bit indicate the channel number
            WR_GLOBAL_LDAC = 0x20, // Set DAC & update all; last four bit indicate the channel number
            WR_SINGLE_LDAC = 0x30, // Set & update DAC; last four bit indicate the channel number
            WR_POWER_DOWN = 0x40,  // Power on/off DAC
            WR_CLEAR_CODE = 0x50,  // Write to clear code reg
            WR_LDAC = 0x60,        // Write to LDAC reg
            WR_RESET = 0x70,       // Software reset
            WR_STATIC_MODE = 0x80, // Internal reference (static mode)
            WR_FLEX_MODE = 0x90,   // Internal reference (flexible mode)

            // Power commands
            POWER_UP = 0x00,        // Power up DAC(s)
            POWER_DOWN_1K = 0x20,   // Power down DAC(s) with 1KOhm to GND
            POWER_DOWN_100K = 0x40, // Power down DAC(s) with 100KOhm to GND
            POWER_DOWN_HZ = 0x60,   // Power down DAC(s), Vout is High-Z

            // Read commands
            RD_DAC_IN = 0x00,      // Read DAC input register; last four bit indicate the channel number
            RD_DAC = 0x10,         // Read DAC register; last four bit indicate the channel number
            RD_POWER_DOWN = 0x40,  // Read power on/off DAC
            RD_CLEAR_CODE = 0x50,  // Read clear code reg
            RD_LDAC = 0x60,        // Read LDAC reg
            RD_STATIC_MODE = 0x80, // Read internal reference (static mode)
            RD_FLEX_MODE = 0x90    // Read internal reference (flexible mode)
        };

        // Channels
        enum class Channel {
            VOUTA = 0x00,
            VOUTB = 0x01,
            VOUTC = 0x02,
            VOUTD = 0x03,
            VOUTE = 0x04,
            VOUTF = 0x05,
            VOUTG = 0x06,
            VOUTH = 0x07,
            ALL = 0x0F
        };
        using enum Channel;

        DAC7678(const std::string& i2c_bus, uint8_t device_address, double vref);

        void setVoltage(Channel channel, double voltage);

        double getVoltage(Channel channel);

        void setOutput(Channel channel, bool enable);

    private:
        std::string _bus;
        uint8_t _address;
        double _vref;
    };

} // namespace peary::component