import bpy


class SCENERENDERER_PT_panel(bpy.types.Panel):
    bl_label = "Scene Renderer"
    bl_idname = "SCENERENDERER_PT_panel"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'UI'
    bl_category = "Scene Renderer"

    def draw(self, context):
        layout = self.layout
        settings = context.scene.scene_renderer

        row = layout.row(align=True)
        row.prop(settings, "test_mode", toggle=True)
        row.prop(settings, "skip_existing", toggle=True)

        layout.prop(settings, "use_cpu")
        box = layout.box()
        box.label(text="Cycles Render", icon='SCENE_DATA')
        box.prop(settings, "samples")
        
        row = box.row()
        row.prop(settings, "use_noise_threshold", text="Noise Threshold")
        sub = row.row()
        sub.active = settings.use_noise_threshold
        sub.prop(settings, "noise_threshold", text="")
        
        box.prop(settings, "use_denoising")
        box.prop(settings, "max_bounces")

        box = layout.box()
        box.label(text="Color", icon='SHADING_RENDERED')
        box.prop(settings, "exposure", slider=True)
        box.prop(settings, "look")

        layout.separator()
        row = layout.row(align=True)
        row.scale_y = 2.0
        
        # Check if rendering is running by accessing the timer on the operator
        from .operators import SCENERENDERER_OT_render_all
        is_running = getattr(SCENERENDERER_OT_render_all, "_timer", None) is not None
        
        if is_running:
            row.operator("scenerenderer.cancel_batch", text="Cancel Batch Render", icon='CANCEL')
            layout.label(text="Press ESC to force stop the active frame.", icon='INFO')
        else:
            row.operator("scenerenderer.render_all", text="Render All Scenes", icon='RENDER_STILL')