const std = @import("std");
pub const c = @import("c.zig").c;
const properties_api = @import("properties.zig");
const iostream_api = @import("iostream.zig");

pub const PropertiesID = properties_api.PropertiesID;
pub const IOStream = iostream_api.IOStream;

pub const Process = opaque {
    pub inline fn getProcessProperties(process: *Process) PropertiesID {
        return c.SDL_GetProcessProperties(@ptrCast(process));
    }

    pub inline fn readProcess(process: *Process, datasize: *usize, exitcode: *c_int) ?*anyopaque {
        return c.SDL_ReadProcess(@ptrCast(process), @ptrCast(datasize), @ptrCast(exitcode));
    }

    pub inline fn getProcessInput(process: *Process) ?*IOStream {
        return @ptrCast(c.SDL_GetProcessInput(@ptrCast(process)));
    }

    pub inline fn getProcessOutput(process: *Process) ?*IOStream {
        return @ptrCast(c.SDL_GetProcessOutput(@ptrCast(process)));
    }

    pub inline fn killProcess(process: *Process, force: bool) bool {
        return @bitCast(c.SDL_KillProcess(@ptrCast(process), @bitCast(force)));
    }

    pub inline fn waitProcess(process: *Process, block: bool, exitcode: *c_int) bool {
        return @bitCast(c.SDL_WaitProcess(@ptrCast(process), @bitCast(block), @ptrCast(exitcode)));
    }

    pub inline fn destroyProcess(process: *Process) void {
        return c.SDL_DestroyProcess(@ptrCast(process));
    }
};

pub inline fn createProcess(args: [*c]const [*c]const u8, pipe_stdio: bool) ?*Process {
    return @ptrCast(c.SDL_CreateProcess(args, @bitCast(pipe_stdio)));
}

pub const ProcessIO = enum(c_int) {
    processStdioInherited, //The I/O stream is inherited from the application.
    processStdioNull, //The I/O stream is ignored.
    processStdioApp, //The I/O stream is connected to a new SDL_IOStream that the application can read or write
    processStdioRedirect, //The I/O stream is redirected to an existing SDL_IOStream.
};

pub inline fn createProcessWithProperties(props: PropertiesID) ?*Process {
    return @ptrCast(c.SDL_CreateProcessWithProperties(props));
}