use drm::Device;
use drm::control::Device as ControlDevice;
use std::os::fd::{AsFd, BorrowedFd};
use std::fmt::Debug;

pub struct Card(std::fs::File);

impl AsFd for Card {
  fn as_fd(&self) -> BorrowedFd<'_> {
    self.0.as_fd()
  }
}

impl Card {
  pub fn open(path: &str) -> anyhow::Result<Self> {
    let mut options = std::fs::OpenOptions::new();
    options.read(true);
    options.write(true);

    let file = options.open(path)?;

    Ok(Card(file))
  }
}

impl drm::Device for Card {}

impl Debug for Card {
  fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
    writeln!(f, "Driver version: {:?}\n", self.get_driver())?;
    writeln!(f, "BUS ID: {:?}\n", self.get_bus_id())?;

    writeln!(f, "Driver capatibilities:")?;
    writeln!(f, "\tDumpBuffer: {:?}", self.get_driver_capability(drm::DriverCapability::DumbBuffer).ok())?;
    writeln!(f, "\tVBlankHighCRTC: {:?}", self.get_driver_capability(drm::DriverCapability::VBlankHighCRTC).ok())?;
    writeln!(f, "\tDumbPreferredDepth: {:?}", self.get_driver_capability(drm::DriverCapability::DumbPreferredDepth).ok())?;
    writeln!(f, "\tDumbPreferShadow: {:?}", self.get_driver_capability(drm::DriverCapability::DumbPreferShadow).ok())?;
    writeln!(f, "\tPrime: {:?}", self.get_driver_capability(drm::DriverCapability::Prime).ok())?;
    writeln!(f, "\tMonotonicTimestamp: {:?}", self.get_driver_capability(drm::DriverCapability::MonotonicTimestamp).ok())?;
    writeln!(f, "\tASyncPageFlip: {:?}", self.get_driver_capability(drm::DriverCapability::ASyncPageFlip).ok())?;
    writeln!(f, "\tAtomicASyncPageFlip: {:?}", self.get_driver_capability(drm::DriverCapability::AtomicASyncPageFlip).ok())?;
    writeln!(f, "\tCursorWidth: {:?}", self.get_driver_capability(drm::DriverCapability::CursorWidth).ok())?;
    writeln!(f, "\tCursorHeight: {:?}", self.get_driver_capability(drm::DriverCapability::CursorHeight).ok())?;
    writeln!(f, "\tAddFB2Modifiers: {:?}", self.get_driver_capability(drm::DriverCapability::AddFB2Modifiers).ok())?;
    writeln!(f, "\tPageFlipTarget: {:?}", self.get_driver_capability(drm::DriverCapability::PageFlipTarget).ok())?;
    writeln!(f, "\tCRTCInVBlankEvent: {:?}", self.get_driver_capability(drm::DriverCapability::CRTCInVBlankEvent).ok())?;
    writeln!(f, "\tSyncObj: {:?}", self.get_driver_capability(drm::DriverCapability::SyncObj).ok())?;
    writeln!(f, "\tTimelineSyncObj: {:?}", self.get_driver_capability(drm::DriverCapability::TimelineSyncObj).ok())?;

    Ok(())
  }
}

impl ControlDevice for Card {}