use arrayvec::ArrayString;
use core::fmt::Write;
use cortex_m::asm;
use cortex_m_rt::{entry, exception};
use embedded_graphics::{
    drawable::Drawable, fonts::Text, image::Image, pixelcolor::BinaryColor, pixelcolor::Rgb565,
    prelude::*, primitives::rectangle::Rectangle, primitives::Line, style::PrimitiveStyleBuilder,
    style::TextStyleBuilder,
};

use embedded_hal::digital::v2::{InputPin, OutputPin};
use profont::{ProFont12Point, ProFont14Point, ProFont9Point};
use rtt_target::{rprintln, rtt_init_print};
use st7735_lcd::Orientation;
use stm32f1xx_hal::{
    delay::Delay,
    gpio::{gpioa, gpiob, gpioc, Alternate, Floating, Input, Output, PushPull},
    pac,
    prelude::*,
    qei, rcc,
    spi::{Mode, Phase, Polarity, Spi, Spi1NoRemap},
    stm32,
    timer::{Tim3PartialRemap, Timer},
};
use tinybmp::Bmp;

use crate::profiles;

mod confirm_profile;
mod profile_selection;
mod run_profile;
mod setup;
mod splash;

pub use setup::setup;

type AppSPI = Spi<
    pac::SPI1,
    Spi1NoRemap,
    (
        gpioa::PA5<Alternate<PushPull>>,
        gpioa::PA6<Input<Floating>>,
        gpioa::PA7<Alternate<PushPull>>,
    ),
>;

type AppQEI = qei::Qei<
    pac::TIM3,
    Tim3PartialRemap,
    (gpiob::PB4<Input<Floating>>, gpiob::PB5<Input<Floating>>),
>;

pub struct App {
    delay: Delay,
    board_led: gpioc::PC13<Output<PushPull>>,
    spi: AppSPI,
    disp_cs: gpioa::PA0<Output<PushPull>>,
    disp_dc: gpioa::PA4<Output<PushPull>>,
    disp_rst: gpioa::PA1<Output<PushPull>>,
    max_cs: gpioa::PA9<Output<PushPull>>,
    qei: AppQEI,
    button: gpiob::PB3<Input<Floating>>,

    selected_profile: usize,
}

impl App {
    pub fn run(mut self) -> ! {
        self = self.splash_screen();
        loop {
            self = self.profile_selection();
            let (confirmed, app) = self.confirm_profile();
            self = app;
            if !confirmed {
                continue;
            }
            self = self.run_profile();
        }
    }
}