#!/bin/bash
# run_daily.sh - 每日数据采集与报告生成流水线
# Sprint 3: 完整调度脚本（采集→质量检查→报告生成→归档→通知）
set -euo pipefail

PROJECT_DIR="/home/long/project/llm-intelligence"
DB_URL="${DATABASE_URL:-host=/var/run/postgresql dbname=llm_intelligence user=long sslmode=disable}"
REPORT_DATE=$(date +%Y-%m-%d)
LOG_FILE="/tmp/llm_hub_daily_${REPORT_DATE}.log"
FEISHU_WEBHOOK="${FEISHU_WEBHOOK:-}"

# 日志函数
log() {
    echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
}

# 错误处理
error_exit() {
    log "❌ 错误: $1"
    # 降级：复制昨日报告
    fallback_report
    # 发送告警
    if [ -n "$FEISHU_WEBHOOK" ]; then
        send_alert "$1"
    fi
    exit 1
}

# 降级：复制昨日报告
fallback_report() {
    local yesterday=$(date -d "yesterday" +%Y-%m-%d)
    local yesterday_md="${PROJECT_DIR}/reports/daily/daily_report_${yesterday}.md"
    local today_md="${PROJECT_DIR}/reports/daily/daily_report_${REPORT_DATE}.md"
    
    if [ -f "$yesterday_md" ]; then
        cp "$yesterday_md" "$today_md"
        sed -i "s/${yesterday}/${REPORT_DATE}/g" "$today_md"
        sed -i "1s/^/# [数据延迟] /" "$today_md"
        log "⚠️ 已复制昨日报告并标记[数据延迟]"
    else
        log "⚠️ 无昨日报告可供复制"
    fi
}

# 发送飞书告警
send_alert() {
    local msg="$1"
    local payload="{\"msg_type\":\"text\",\"content\":{\"text\":\"🚨 LLM Hub 日报失败\\n日期: ${REPORT_DATE}\\n错误: ${msg}\\n请检查日志: ${LOG_FILE}\"}}"
    
    curl -s -X POST -H "Content-Type: application/json" \
        -d "$payload" \
        "$FEISHU_WEBHOOK" > /dev/null || true
    log "📢 飞书告警已发送"
}

# 主流程
log "🚀 开始每日流水线: ${REPORT_DATE}"

cd "$PROJECT_DIR"

# 1. 数据采集
log "1️⃣ 数据采集..."
if ! go run scripts/fetch_openrouter.go >> "$LOG_FILE" 2>&1; then
    error_exit "数据采集失败"
fi
log "✅ 数据采集完成"

# 2. 数据质量检查
log "2️⃣ 数据质量检查..."
MODEL_COUNT=$(psql "$DB_URL" -t -c "SELECT COUNT(*) FROM models WHERE deleted_at IS NULL" 2>/dev/null | tr -d ' ')
if [ "$MODEL_COUNT" -lt 10 ]; then
    error_exit "模型数量不足: ${MODEL_COUNT} < 10"
fi
log "✅ 数据质量检查通过 (模型数: ${MODEL_COUNT})"

# 3. 生成日报
log "3️⃣ 生成日报..."
export DATABASE_URL="$DB_URL"
if ! go run scripts/generate_daily_report.go >> "$LOG_FILE" 2>&1; then
    error_exit "日报生成失败"
fi
log "✅ 日报生成完成"

# 4. 归档
log "4️⃣ 归档报告..."
ARCHIVE_DIR="reports/daily/$(date +%Y/%m)"
mkdir -p "$ARCHIVE_DIR"
cp "reports/daily/daily_report_${REPORT_DATE}.md" "$ARCHIVE_DIR/" 2>/dev/null || true
cp "reports/daily/html/daily_report_${REPORT_DATE}.html" "$ARCHIVE_DIR/" 2>/dev/null || true
log "✅ 归档完成"

# 5. 更新 daily_report 表
log "5️⃣ 更新日报记录..."
psql "$DB_URL" -c "
    INSERT INTO daily_report (report_date, status, model_count, output_path, created_at, updated_at)
    VALUES ('${REPORT_DATE}', 'generated', ${MODEL_COUNT}, 'reports/daily/daily_report_${REPORT_DATE}.md', NOW(), NOW())
    ON CONFLICT (report_date) DO UPDATE SET
        status = 'generated',
        model_count = EXCLUDED.model_count,
        output_path = EXCLUDED.output_path,
        updated_at = NOW()
" >> "$LOG_FILE" 2>&1
log "✅ 日报记录更新完成"

log "🎉 每日流水线全部完成！"
log "📄 Markdown: reports/daily/daily_report_${REPORT_DATE}.md"
log "🌐 HTML: reports/daily/html/daily_report_${REPORT_DATE}.html"

exit 0