#include "app_core/document_canvas.h"
#include "test_harness.h"

#include <limits>

namespace {

void clear_plan_records_legacy_canvas_effects(pp::tests::Harness& harness)
{
    const auto plan = pp::app::plan_document_canvas_clear(true, 0.0F, 0.1F, 0.2F, 0.3F);
    PP_EXPECT(harness, plan);
    if (plan) {
        PP_EXPECT(harness, plan.value().clears_canvas);
        PP_EXPECT(harness, plan.value().records_undo);
        PP_EXPECT(harness, plan.value().marks_unsaved);
        PP_EXPECT(harness, !plan.value().no_op);
        PP_EXPECT(harness, plan.value().r == 0.0F);
        PP_EXPECT(harness, plan.value().g == 0.1F);
        PP_EXPECT(harness, plan.value().b == 0.2F);
        PP_EXPECT(harness, plan.value().a == 0.3F);
    }
}

void clear_plan_noops_without_canvas(pp::tests::Harness& harness)
{
    const auto plan = pp::app::plan_document_canvas_clear(false);
    PP_EXPECT(harness, plan);
    if (plan) {
        PP_EXPECT(harness, !plan.value().clears_canvas);
        PP_EXPECT(harness, !plan.value().records_undo);
        PP_EXPECT(harness, !plan.value().marks_unsaved);
        PP_EXPECT(harness, plan.value().no_op);
    }
}

void clear_plan_rejects_bad_color_channels(pp::tests::Harness& harness)
{
    PP_EXPECT(harness, !pp::app::plan_document_canvas_clear(true, -0.01F, 0.0F, 0.0F, 0.0F));
    PP_EXPECT(harness, !pp::app::plan_document_canvas_clear(true, 0.0F, 1.01F, 0.0F, 0.0F));
    PP_EXPECT(harness, !pp::app::plan_document_canvas_clear(
        true,
        0.0F,
        0.0F,
        std::numeric_limits<float>::infinity(),
        0.0F));
}

} // namespace

int main()
{
    pp::tests::Harness harness;
    harness.run("clear plan records legacy canvas effects", clear_plan_records_legacy_canvas_effects);
    harness.run("clear plan noops without canvas", clear_plan_noops_without_canvas);
    harness.run("clear plan rejects bad color channels", clear_plan_rejects_bad_color_channels);
    return harness.finish();
}