#!/usr/bin/env bash

ovow_preflight() {
  local need_motion="${1:-0}" fail=0 v

  if [[ "${QWEN_BACKEND:-api}" == "api" && -z "$(ovow_api_key)" ]]; then
    echo "[预检失败] step1 需要 Qwen 标注:在 .env 里填 DASHSCOPE_API_KEY(或 APIKEY_FILE),"
    echo "           或设 QWEN_BACKEND=\"local\" 走本地 Qwen3-VL(见 README「故障排查」)。"
    fail=1
  fi

  if ! command -v "$BLENDER_BIN" >/dev/null 2>&1 && [[ ! -x "$BLENDER_BIN" ]]; then
    echo "[预检失败] 找不到 blender(合成/渲染步骤需要):装 blender 或在 .env 设 BLENDER_BIN。"
    fail=1
  fi

  local pys=(OPG_PY SAM3_PY)
  [[ "$need_motion" == "1" ]] && pys+=(MOTION_PY)
  for v in "${pys[@]}"; do
    if [[ ! -x "${!v}" ]]; then
      echo "[预检失败] $v=${!v} 不是可执行的 python:确认 conda 环境已建好且 .env 填的是真实路径。"
      fail=1
    fi
  done

  if [[ ! -f "$SAM3_CKPT" ]]; then
    echo "[预检失败] SAM3 权重缺失:$SAM3_CKPT(先跑 bash download_ckpts.sh,gated 仓库需 HF 登录)。"
    fail=1
  fi

  if [[ "$need_motion" == "1" ]]; then
    local motion_ckpt_dir="$MOTION324_DIR/experiments/checkpoints"
    if ! compgen -G "$motion_ckpt_dir/ckpt_*.pt" >/dev/null 2>&1; then
      echo "[预检失败] Motion324 权重缺失:$motion_ckpt_dir/ckpt_*.pt(deform 步骤 step4 需要;"
      echo "           先跑 bash download_ckpts.sh)。"
      fail=1
    fi
  fi

  return "$fail"
}

ovow_verify_artifacts() {
  local out="$1" ext="$2" missing=0 name found sz
  local names=(
    "scene_anim_blender_physics_with_deform.glb"
    "fullscene_deform_objseq_white_left_rgb_right_split10_h264.$ext"
    "fullscene_deform_objseq_textured_left_rgb_right_split10_h264.$ext"
  )

  echo "--- 产物校验($out)---"
  for name in "${names[@]}"; do
    found="$(find "$out" -type f -name "$name" -size +1k 2>/dev/null | sort | tail -1)"
    if [[ -n "$found" ]]; then
      sz="$(du -h "$found" | cut -f1)"
      echo "  [OK]     $name  ($sz)"
    else
      echo "  [缺失]   $name"
      missing=$((missing + 1))
    fi
  done

  if [[ "$missing" -eq 0 ]]; then
    echo "--- 三个关键产物齐全,链路跑通。"
    return 0
  fi
  echo "--- $missing 个产物缺失或为空:退出码为 0 也不算跑通,按上方日志定位。"
  return 1
}