#!/bin/bash

REPO_API="https://git.xiaoxiajianji.com/api/v1/repos/xiaoxia/xiaoxia-saas/commits?sha=develop&path=deploy/gpu_worker&limit=1"
STATE_FILE="/home/ying/projects/gpu-webhook/.last_commit"
UPDATE_SCRIPT="/home/ying/projects/update-gpu-worker.sh"
LOG_FILE="$HOME/gpu-poll.log"

log() {
    echo "[$(date +"%Y-%m-%d %H:%M:%S")] $*" >> "$LOG_FILE"
}

LATEST_SHA=$(curl -sk --max-time 10 "$REPO_API" | python3 -c "
import sys, json
try:
    data = json.load(sys.stdin)
    if isinstance(data, list) and len(data) > 0:
        print(data[0].get('sha', ''))
    else:
        print('')
except:
    print('')
" 2>/dev/null)

if [ -z "$LATEST_SHA" ]; then
    log "get latest commit failed, skip"
    exit 0
fi

LAST_SHA=""
if [ -f "$STATE_FILE" ]; then
    LAST_SHA=$(cat "$STATE_FILE")
fi

if [ "$LATEST_SHA" = "$LAST_SHA" ]; then
    exit 0
fi

if [ -z "$LAST_SHA" ]; then
    echo "$LATEST_SHA" > "$STATE_FILE"
    log "first run, recording SHA: $LATEST_SHA"
    exit 0
fi

log "new commit detected: $LAST_SHA -> $LATEST_SHA, triggering update"
echo "$LATEST_SHA" > "$STATE_FILE"
bash "$UPDATE_SCRIPT" >> "$LOG_FILE" 2>&1
log "update completed"