#![allow(non_camel_case_types, non_snake_case)]

use crate::co;
use crate::decl::*;
use crate::kernel::ffi_types::*;
use crate::ole::privs::*;
use crate::prelude::*;
use crate::vt::*;

/// [`ITriggerCollection`](crate::ITriggerCollection) virtual table.
#[repr(C)]
pub struct ITriggerCollectionVT {
	pub IDispatchVT: IDispatchVT,
	pub get_Count: fn(COMPTR, *mut i32) -> HRES,
	pub get_Item: fn(COMPTR, i32, *mut COMPTR) -> HRES,
	pub get__NewEnum: fn(COMPTR, *mut COMPTR) -> HRES,
	pub Create: fn(COMPTR, u32, *mut COMPTR) -> HRES,
	pub Remove: fn(COMPTR, VARIANT) -> HRES,
	pub Clear: fn(COMPTR) -> HRES,
}

com_interface! { ITriggerCollection: "85df5081-1b24-4f32-878a-d9d14df4cb77";
	/// [`ITriggerCollection`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nn-taskschd-itriggercollection)
	/// COM interface over [`ITriggerCollectionVT`](crate::vt::ITriggerCollectionVT).
	///
	/// Automatically calls
	/// [`Release`](https://learn.microsoft.com/en-us/windows/win32/api/unknwn/nf-unknwn-iunknown-release)
	/// when the object goes out of scope.
}

impl oleaut_IDispatch for ITriggerCollection {}
impl taskschd_ITriggerCollection for ITriggerCollection {}

/// This trait is enabled with the `taskschd` feature, and provides methods for
/// [`ITriggerCollection`](crate::ITriggerCollection).
///
/// Prefer importing this trait through the prelude:
///
/// ```no_run
/// use winsafe::prelude::*;
/// ```
pub trait taskschd_ITriggerCollection: oleaut_IDispatch {
	fn_com_noparm! { Clear: ITriggerCollectionVT;
		/// [`ITriggerCollection::Clear`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nf-taskschd-itriggercollection-clear)
		/// method.
	}

	/// [`ITriggerCollection::Create`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nf-taskschd-itriggercollection-create)
	/// method.
	#[must_use]
	fn Create(&self,
		trigger_type: co::TASK_TRIGGER_TYPE2,
	) -> HrResult<ITrigger>
	{
		let mut queried = unsafe { ITrigger::null() };
		ok_to_hrresult(
			unsafe {
				(vt::<ITriggerCollectionVT>(self).Create)(
					self.ptr(),
					trigger_type.raw(),
					queried.as_mut(),
				)
			},
		).map(|_| queried)
	}

	/// [`ITriggerCollection::get_Count`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nf-taskschd-itriggercollection-get_count)
	/// method.
	#[must_use]
	fn get_Count(&self) -> HrResult<i32> {
		let mut count = i32::default();
		ok_to_hrresult(
			unsafe {
				(vt::<ITriggerCollectionVT>(self).get_Count)(
					self.ptr(),
					&mut count,
				)
			},
		).map(|_| count)
	}

	/// [`ITriggerCollection::get_Item`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nf-taskschd-itriggercollection-get_item)
	/// method.
	#[must_use]
	fn get_Item(&self, index: i32) -> HrResult<ITrigger> {
		let mut queried = unsafe { ITrigger::null() };
		ok_to_hrresult(
			unsafe {
				(vt::<ITriggerCollectionVT>(self).get_Item)(
					self.ptr(),
					index,
					queried.as_mut(),
				)
			},
		).map(|_| queried)
	}

	/// [`ITriggerCollection::Remove`](https://learn.microsoft.com/en-us/windows/win32/api/taskschd/nf-taskschd-itriggercollection-remove)
	/// method.
	fn Remove(&self, index: i32) -> HrResult<()> {
		ok_to_hrresult(
			unsafe {
				(vt::<ITriggerCollectionVT>(self).Remove)(
					self.ptr(),
					VARIANT::new_i32(index),
				)
			},
		)
	}
}
