/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
// SPDX-License-Identifier: MIT OR LGPL-2.0-or-later
// SPDX-FileCopyrightText: 2010 litl, LLC.

#include <config.h>

#include <cairo.h>

#include <js/CallArgs.h>
#include <js/PropertyDescriptor.h>  // for JSPROP_READONLY
#include <js/PropertySpec.h>
#include <js/RootingAPI.h>
#include <js/TypeDecls.h>
#include <jsapi.h>  // for JS_NewObjectWithGivenProto
#include <jspubtd.h>  // for JSProtoKey

#include "gjs/jsapi-util-args.h"
#include "gjs/jsapi-util.h"
#include "gjs/macros.h"
#include "modules/cairo-private.h"

JSObject* CairoSurfacePattern::new_proto(JSContext* cx, JSProtoKey) {
    JS::RootedObject parent_proto(cx, CairoPattern::prototype(cx));
    return JS_NewObjectWithGivenProto(cx, nullptr, parent_proto);
}

cairo_pattern_t* CairoSurfacePattern::constructor_impl(
    JSContext* context, const JS::CallArgs& argv) {
    cairo_pattern_t *pattern;
    JS::RootedObject surface_wrapper(context);
    if (!gjs_parse_call_args(context, "SurfacePattern", argv, "o",
                             "surface", &surface_wrapper))
        return nullptr;

    cairo_surface_t* surface = CairoSurface::for_js(context, surface_wrapper);
    if (!surface)
        return nullptr;

    pattern = cairo_pattern_create_for_surface(surface);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return nullptr;

    return pattern;
}

const JSPropertySpec CairoSurfacePattern::proto_props[] = {
    JS_STRING_SYM_PS(toStringTag, "SurfacePattern", JSPROP_READONLY),
    JS_PS_END};

GJS_JSAPI_RETURN_CONVENTION
static bool
setExtend_func(JSContext *context,
               unsigned   argc,
               JS::Value *vp)
{
    GJS_GET_THIS(context, argc, vp, argv, obj);
    cairo_extend_t extend;

    if (!gjs_parse_call_args(context, "setExtend", argv, "i",
                             "extend", &extend))
        return false;

    cairo_pattern_t* pattern = CairoPattern::for_js(context, obj);
    if (!pattern)
        return false;

    cairo_pattern_set_extend(pattern, extend);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return false;

    argv.rval().setUndefined();
    return true;
}

GJS_JSAPI_RETURN_CONVENTION
static bool
getExtend_func(JSContext *context,
               unsigned   argc,
               JS::Value *vp)
{
    GJS_GET_THIS(context, argc, vp, rec, obj);
    cairo_extend_t extend;

    if (argc > 0) {
        gjs_throw(context, "SurfacePattern.getExtend() requires no arguments");
        return false;
    }

    cairo_pattern_t* pattern = CairoPattern::for_js(context, obj);
    if (!pattern)
        return false;

    extend = cairo_pattern_get_extend(pattern);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return false;

    rec.rval().setInt32(extend);

    return true;
}

GJS_JSAPI_RETURN_CONVENTION
static bool
setFilter_func(JSContext *context,
               unsigned   argc,
               JS::Value *vp)
{
    GJS_GET_THIS(context, argc, vp, argv, obj);
    cairo_filter_t filter;

    if (!gjs_parse_call_args(context, "setFilter", argv, "i",
                             "filter", &filter))
        return false;

    cairo_pattern_t* pattern = CairoPattern::for_js(context, obj);
    if (!pattern)
        return false;

    cairo_pattern_set_filter(pattern, filter);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return false;

    argv.rval().setUndefined();
    return true;
}

GJS_JSAPI_RETURN_CONVENTION
static bool
getFilter_func(JSContext *context,
               unsigned   argc,
               JS::Value *vp)
{
    GJS_GET_THIS(context, argc, vp, rec, obj);
    cairo_filter_t filter;

    if (argc > 0) {
        gjs_throw(context, "SurfacePattern.getFilter() requires no arguments");
        return false;
    }

    cairo_pattern_t* pattern = CairoPattern::for_js(context, obj);
    if (!pattern)
        return false;

    filter = cairo_pattern_get_filter(pattern);

    if (!gjs_cairo_check_status(context, cairo_pattern_status(pattern), "pattern"))
        return false;

    rec.rval().setInt32(filter);

    return true;
}

// clang-format off
const JSFunctionSpec CairoSurfacePattern::proto_funcs[] = {
    JS_FN("setExtend", setExtend_func, 0, 0),
    JS_FN("getExtend", getExtend_func, 0, 0),
    JS_FN("setFilter", setFilter_func, 0, 0),
    JS_FN("getFilter", getFilter_func, 0, 0),
    JS_FS_END};
// clang-format on