#!/bin/bash

# ========================================
# Open WebUI GitHub Sync - Simple
# ========================================

DB_FILE="/app/backend/data/webui.db"
DATA_DIR="./data"
TEMP_DIR="$DATA_DIR/git_temp"
SYNC_INTERVAL=10800  # 3 ساعات

log() { echo "[$(date '+%H:%M:%S')] $1"; }

# ========================================
# رفع إلى GitHub
# ========================================
push_to_github() {
    [[ -z "${G_NAME:-}" ]] || [[ -z "${G_TOKEN:-}" ]] && return 1
    [[ ! -f "$DB_FILE" ]] && return 1
    
    log "📤 رفع البيانات إلى GitHub..."
    
    rm -rf "$TEMP_DIR"
    mkdir -p "$TEMP_DIR"
    
    local repo_url="https://${G_TOKEN}@github.com/${G_NAME}.git"
    
    # Clone أو Init
    if ! git clone --depth 1 --quiet "$repo_url" "$TEMP_DIR" 2>/dev/null; then
        cd "$TEMP_DIR"
        git init --quiet
        git remote add origin "$repo_url"
        echo "# Open WebUI Backup" > README.md
        cd - > /dev/null
    fi
    
    cd "$TEMP_DIR"
    git config user.name "Sync"
    git config user.email "sync@local"
    
    # نسخ الملف
    cp "$DB_FILE" ./webui.db 2>/dev/null
    git add -A
    git commit -m "Sync $(date '+%Y-%m-%d %H:%M')" --quiet 2>/dev/null || true
    git push origin HEAD:main --force --quiet 2>/dev/null || \
    git push -u origin HEAD:main --force --quiet 2>/dev/null || \
    git push origin HEAD:master --force --quiet 2>/dev/null
    
    cd - > /dev/null
    rm -rf "$TEMP_DIR"
    
    log "✅ تم الرفع"
}

# ========================================
# تحميل من GitHub
# ========================================
pull_from_github() {
    [[ -z "${G_NAME:-}" ]] || [[ -z "${G_TOKEN:-}" ]] && return 1
    
    log "📥 تحميل البيانات من GitHub..."
    
    rm -rf "$TEMP_DIR"
    mkdir -p "$TEMP_DIR" "$(dirname "$DB_FILE")"
    
    local repo_url="https://${G_TOKEN}@github.com/${G_NAME}.git"
    
    if git clone --depth 1 --quiet "$repo_url" "$TEMP_DIR" 2>/dev/null; then
        if [[ -f "$TEMP_DIR/webui.db" ]]; then
            cp "$TEMP_DIR/webui.db" "$DB_FILE"
            chmod 666 "$DB_FILE" 2>/dev/null
            log "✅ تم التحميل ($(du -h "$DB_FILE" | cut -f1))"
        else
            log "ℹ️ لا يوجد ملف محفوظ"
        fi
    else
        log "ℹ️ المستودع فارغ"
    fi
    
    rm -rf "$TEMP_DIR"
}

# ========================================
# التشغيل
# ========================================
log "🚀 بدء المزامنة"

mkdir -p "$DATA_DIR"

# تحميل عند البداية
pull_from_github

# المزامنة الدورية
(
    sleep 300  # انتظار 5 دقائق
    
    while true; do
        log "🔄 مزامنة..."
        push_to_github
        log "⏰ القادمة بعد 3 ساعات"
        sleep $SYNC_INTERVAL
    done
) &

log "✅ جاهز"