package tasks

import (
	"errors"
	"testing"

	"jiggablend/pkg/types"
)

func TestNewContext_NormalizesFrameEnd(t *testing.T) {
	ctx := NewContext(1, 2, "job", 10, 1, "render", "/tmp", "tok", nil, nil, nil, nil, nil, nil, nil, false, false, false, false, false, false, nil)
	if ctx.FrameEnd != 10 {
		t.Fatalf("expected FrameEnd to be normalized to Frame, got %d", ctx.FrameEnd)
	}
}

func TestContext_GetOutputFormat_Default(t *testing.T) {
	ctx := &Context{}
	if got := ctx.GetOutputFormat(); got != "PNG" {
		t.Fatalf("GetOutputFormat() = %q, want PNG", got)
	}
}

func TestContext_ShouldForceCPU(t *testing.T) {
	ctx := &Context{ForceCPURendering: true}
	if !ctx.ShouldForceCPU() {
		t.Fatal("expected force cpu when runner-level flag is set")
	}

	force := true
	ctx = &Context{Metadata: &types.BlendMetadata{RenderSettings: types.RenderSettings{EngineSettings: map[string]interface{}{"force_cpu": force}}}}
	if !ctx.ShouldForceCPU() {
		t.Fatal("expected force cpu when metadata requests it")
	}
}

func TestErrJobCancelled_IsSentinel(t *testing.T) {
	if !errors.Is(ErrJobCancelled, ErrJobCancelled) {
		t.Fatal("sentinel error should be self-identical")
	}
}