use stm32f4xx_hal::{
    adc::Adc,
    gpio::{
        AF5, Alternate, Analog, Input,
        gpioa::*,
        gpiob::*,
        gpioc::*,
        gpiod::*,
        gpioe::*,
        gpiof::*,
        gpiog::*,
        GpioExt,
        Output, PushPull,
    },
    hal::{self, blocking::spi::Transfer, digital::v2::OutputPin},
    otg_fs::USB,
    rcc::Clocks,
    spi,
    spi::{Spi, NoMiso, TransferModeNormal},
    pac::{
        ADC1,
        GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG,
        OTG_FS_GLOBAL, OTG_FS_DEVICE, OTG_FS_PWRCLK,
        SPI1, SPI2, SPI3,
        TIM4
    },
    timer::Timer,
    time::U32Ext,
    time::MegaHertz
};
use fugit::RateExtU32;
use stm32_eth::EthPins;
use crate::laser_diode::current_sources::*;

pub type EthernetPins = EthPins<
    PA1<Input>,
    PA7<Input>,
    PB11<Input>,
    PG13<Input>,
    PB13<Input>,
    PC4<Input>,
    PC5<Input>,
>;

pub fn setup(
    clocks: Clocks,
    tim4: TIM4,
    gpioa: GPIOA, gpiob: GPIOB, gpioc: GPIOC, gpiod: GPIOD, gpioe: GPIOE, gpiof: GPIOF, gpiog: GPIOG,
    spi1: SPI1, spi2: SPI2, spi3: SPI3,
    adc1: ADC1,
    otg_fs_global: OTG_FS_GLOBAL, otg_fs_device: OTG_FS_DEVICE, otg_fs_pwrclk: OTG_FS_PWRCLK,
) -> (  
    EthernetPins, 
    USB, 
    current_source_phy_construct<current_source_phy_ch0>, 
    // photo_diode_phy, 
    // thermostat_phy 
) {

    let gpioa = gpioa.split();
    let gpiob = gpiob.split();
    let gpioc = gpioc.split();
    let gpiod = gpiod.split();
    let gpioe = gpioe.split();
    let gpiof = gpiof.split();
    let gpiog = gpiog.split();      
    
    let usb = USB {
        usb_global: otg_fs_global,
        usb_device: otg_fs_device,
        usb_pwrclk: otg_fs_pwrclk,
        pin_dm: gpioa.pa11.into_alternate(),
        pin_dp: gpioa.pa12.into_alternate(),
        hclk: clocks.hclk(),
    };

    let eth_pins = EthPins {
        ref_clk: gpioa.pa1, 
        crs: gpioa.pa7, 
        tx_en: gpiob.pb11,
        tx_d0: gpiog.pg13, 
        tx_d1: gpiob.pb13,
        rx_d0: gpioc.pc4, 
        rx_d1: gpioc.pc5,
    };
    
    let current_source_phy = current_source_phy_construct {  
        max5719_spi: Spi::new(
            spi2, 
            (gpiob.pb10.into_alternate(), NoMiso {}, gpiob.pb15.into_alternate()), 
            spi::Mode {
                polarity: spi::Polarity::IdleLow,
                phase: spi::Phase::CaptureOnFirstTransition,
            }, 
            10_u32.MHz(), 
            &clocks),
        max5719_load: gpiob.pb14.into_push_pull_output(),   
        max5719_cs: gpiod.pd8.into_push_pull_output(),     
        current_source_ldo_en: gpiod.pd9.into_push_pull_output(),
        current_source_short: gpioa.pa4.into_push_pull_output()
    };
    
    (eth_pins, usb, current_source_phy)

}