// Placeholder effect implementation - logs TODO warning once

#include "effects/placeholder_effect.h"
#include "effects/shaders.h"
#include "gpu/post_process_helper.h"
#include "util/fatal_error.h"
#include <cstdio>

Placeholder::Placeholder(const GpuContext& ctx,
                         const std::vector<std::string>& inputs,
                         const std::vector<std::string>& outputs,
                         float start_time, float end_time,
                         const char* placeholder_name)
    : Effect(ctx, inputs, outputs, start_time, end_time), pipeline_(nullptr),
      bind_group_(nullptr), name_(placeholder_name) {
  fprintf(stderr, "TODO: %s not yet implemented, using passthrough\n", name_);

  HEADLESS_RETURN_IF_NULL(ctx_.device);

  create_linear_sampler();

  pipeline_ = create_post_process_pipeline(
      ctx_.device, WGPUTextureFormat_RGBA8Unorm, passthrough_shader_wgsl);
}

void Placeholder::render(WGPUCommandEncoder encoder,
                         const UniformsSequenceParams& params,
                         NodeRegistry& nodes) {
  WGPUTextureView input_view = nodes.get_view(input_nodes_[0]);
  WGPUTextureView output_view = nodes.get_view(output_nodes_[0]);

  pp_update_bind_group(ctx_.device, pipeline_, &bind_group_, input_view,
                       uniforms_buffer_.get(), {nullptr, 0});

  run_fullscreen_pass(encoder, pipeline_, bind_group_, output_view);
}