#!/bin/bash
# ============================================================
# 预加载 DeepSWE 任务 Docker 镜像
#
# 用途：
#   Pier 会按 task.toml 里的 docker_image 起容器。镜像在
#   public.ecr.aws，首次现拉会很慢。本脚本先下载数据集、抽出
#   113 个任务镜像 + mars-base，再并行 docker pull。
#
# 用法：
#   bash bash/images_load/preload_deep_swe_images.sh
#
# 环境变量：
#   DEEP_SWE_CACHE   数据集根目录（含 tasks/manifest.json）
#   PULL_CONCURRENCY 并发 pull 数，默认 4
# ============================================================

set -euo pipefail

PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
CACHE_DIR="${DEEP_SWE_CACHE:-${HOME}/.cache/evalscope/deep_swe/snapshots/evalscope/deep-swe}"
DATASET_ID="evalscope/deep-swe"
CONCURRENCY="${PULL_CONCURRENCY:-4}"
LOG_DIR="${PROJECT_ROOT}/logs"
LOG_FILE="${LOG_DIR}/pull_deep_swe_images.log"
IMAGE_FILE="/tmp/deep_swe_images.txt"
MARS_BASE="public.ecr.aws/x8v8d7g8/mars-base:latest"

mkdir -p "${LOG_DIR}"
: > "${LOG_FILE}"

echo "============================================================"
echo "1. 准备 DeepSWE 数据集快照"
echo "============================================================"
if [[ ! -f "${CACHE_DIR}/tasks/manifest.json" ]]; then
    echo "本地没有 ${CACHE_DIR}，从 ModelScope 下载 ${DATASET_ID}"
    python3 - <<PY
from modelscope import dataset_snapshot_download
path = dataset_snapshot_download("${DATASET_ID}", cache_dir="${HOME}/.cache/evalscope/deep_swe")
print(path)
PY
    if [[ ! -f "${CACHE_DIR}/tasks/manifest.json" ]]; then
        # modelscope 可能把快照放到带 hash 的目录，找一份有 manifest 的
        FOUND="$(find "${HOME}/.cache/evalscope/deep_swe" -path '*/tasks/manifest.json' -print -quit 2>/dev/null || true)"
        if [[ -n "${FOUND}" ]]; then
            CACHE_DIR="$(cd "$(dirname "${FOUND}")/.." && pwd)"
            echo "使用快照: ${CACHE_DIR}"
        else
            echo "ERROR: 下载后仍找不到 tasks/manifest.json"
            exit 1
        fi
    fi
else
    echo "使用已有快照: ${CACHE_DIR}"
fi

echo ""
echo "============================================================"
echo "2. 提取任务镜像列表"
echo "============================================================"
{
    echo "${MARS_BASE}"
    grep -hR '^docker_image' "${CACHE_DIR}/tasks" --include='task.toml' 2>/dev/null \
        | sed 's/docker_image = //; s/"//g' \
        | sed 's/^[[:space:]]*//; s/[[:space:]]*$//'
} | awk 'NF && !seen[$0]++' > "${IMAGE_FILE}"

IMAGE_COUNT="$(wc -l < "${IMAGE_FILE}" | tr -d ' ')"
echo "找到 ${IMAGE_COUNT} 个唯一镜像，列表: ${IMAGE_FILE}"

echo ""
echo "============================================================"
echo "3. 并行 docker pull（并发 ${CONCURRENCY}）"
echo "============================================================"
echo "日志: ${LOG_FILE}"

PULL_FAILED=0
while IFS= read -r image; do
    [[ -z "${image}" ]] && continue
    (
        echo "[$(date '+%Y-%m-%d %H:%M:%S')] Pulling ${image} ..." >> "${LOG_FILE}"
        if docker image inspect "${image}" >/dev/null 2>&1; then
            echo "[$(date '+%Y-%m-%d %H:%M:%S')] SKIP already present ${image}" >> "${LOG_FILE}"
            exit 0
        fi
        if docker pull "${image}" >> "${LOG_FILE}" 2>&1; then
            echo "[$(date '+%Y-%m-%d %H:%M:%S')] OK ${image}" >> "${LOG_FILE}"
        else
            echo "[$(date '+%Y-%m-%d %H:%M:%S')] FAILED ${image}" >> "${LOG_FILE}"
            exit 1
        fi
    ) &
    if (( $(jobs -r -p | wc -l) >= CONCURRENCY )); then
        wait -n || PULL_FAILED=1
    fi
done < "${IMAGE_FILE}"

wait || PULL_FAILED=1

echo ""
echo "============================================================"
if [[ "${PULL_FAILED}" -eq 0 ]]; then
    echo "DeepSWE 镜像拉取完成"
else
    echo "部分镜像拉取失败，请查看: ${LOG_FILE}"
    exit 1
fi
echo "============================================================"