#!/bin/bash
# ============================================
# GitHub Intelligence Monitor v1.0
# 功能：主动监控GitHub榜单，寻找进化机会
# 监控范围：Trending + AI/Agent + 自动化 + Skills
# ============================================

set -e

PROXY="http://192.168.0.66:7890"
OUT_DIR="/root/.openclaw/workspace/github-intel"
REPORT="$OUT_DIR/report-$(date '+%Y%m%d').md"
PREVIOUS="$OUT_DIR/previous-projects.txt"
CURRENT="$OUT_DIR/current-projects.txt"

# 颜色
RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; BLUE='\033[0;34m'; NC='\033[0m'

log() { echo -e "${BLUE}[Intel]${NC} $(date '+%H:%M:%S') $1"; }
warn() { echo -e "${YELLOW}[WARN]${NC} $(date '+%H:%M:%S') $1"; }
info() { echo -e "${GREEN}[INFO]${NC} $(date '+%H:%M:%S') $1"; }

mkdir -p "$OUT_DIR"

# 1. 获取Trending页面
fetch_trending() {
    log "正在获取 GitHub Trending..."
    local content=$(curl -s --proxy "$PROXY" -A "Mozilla/5.0" "https://github.com/trending" | grep -oP 'href="/[a-zA-Z0-9_-]+/[a-zA-Z0-9_.-]+"' | grep -oP '(?<="\/)[^"]+' | grep -v 'trending\|developers\|sponsors\|apps' | head -30)
    echo "$content" > "$CURRENT"
}

# 2. 对比差异（新增项目）
find_new_projects() {
    if [ ! -f "$PREVIOUS" ]; then
        touch "$PREVIOUS"
        log "首次运行，建立历史数据"
        return
    fi
    
    # 找出新增项目
    comm -13 <(sort "$PREVIOUS") <(sort "$CURRENT") > "$OUT_DIR/new-projects.txt" 2>/dev/null || true
    local count=$(wc -l < "$OUT_DIR/new-projects.txt" 2>/dev/null | grep -oP '^\d+' || echo 0)
    log "发现 $count 个新项目"
}

# 3. 获取项目详情
get_project_details() {
    local project="$1"
    local api_url="https://api.github.com/repos/$project"
    curl -s --proxy "$PROXY" -A "Mozilla/5.0" "$api_url" 2>/dev/null || echo "{}"
}

# 4. 评估进化价值
evaluate_evolution() {
    local project="$1"
    local details=$(get_project_details "$project")
    local stars=$(echo "$details" | grep -oP '"stargazers_count":\d+' | head -1 | grep -oP '\d+' || echo 0)
    local desc=$(echo "$details" | grep -oP '"description":"[^"]*"' | head -1 | sed 's/"description":"//;s/"$//' || echo "")
    local lang=$(echo "$details" | grep -oP '"language":"[^"]*"' | head -1 | sed 's/"language":"//;s/"$//' || echo "")
    
    # 进化关键词
    local keywords="agent|skill|automation|browser|playwright|puppeteer|cli|tool|openclaw|claude|gpt|llm|ai|copilot"
    local is_evolution=$(echo "$project $desc" | grep -iE "$keywords" || echo "")
    
    if [ -n "$is_evolution" ] && [ "$stars" -gt 500 ]; then
        echo "⭐ EVOLUTION_CANDIDATE: $project (⭐$stars) - $desc"
        echo "  语言: $lang"
        echo "  链接: https://github.com/$project"
        echo ""
    fi
}

# 5. 生成报告
generate_report() {
    local new_count=$(wc -l < "$OUT_DIR/new-projects.txt" | awk '{print $1}' 2>/dev/null || echo 0)
    
    {
        echo "# GitHub Intelligence Report"
        echo "生成时间: $(date '+%Y-%m-%d %H:%M:%S')"
        echo ""
        echo "## 新增项目 ($new_count 个)"
        echo ""
        
        if [ -f "$OUT_DIR/new-projects.txt" ]; then
            while IFS= read -r project; do
                [ -z "$project" ] && continue
                evaluate_evolution "$project"
            done < "$OUT_DIR/new-projects.txt"
        fi
        
        echo ""
        echo "## Trending Top 10"
        echo ""
        if [ -f "$CURRENT" ]; then
            head -10 "$CURRENT" | while read -r project; do
                [ -z "$project" ] && continue
                evaluate_evolution "$project"
            done
        fi
        
        echo ""
        echo "## 进化建议"
        echo ""
        
        # 分析新增和热门项目中可能的进化机会
        local candidates=$(grep -c "EVOLUTION_CANDIDATE" "$OUT_DIR/evolution-candidates.txt" 2>/dev/null || echo 0)
        if [ "$candidates" -gt 0 ]; then
            echo "发现 $candidates 个潜在进化目标，详见上方列表"
        else
            echo "本期无重大进化机会"
        fi
    } > "$REPORT"
    
    info "报告已生成: $REPORT"
}

# 主流程
main() {
    log "========== GitHub Intelligence Monitor =========="
    
    fetch_trending
    find_new_projects
    
    # 生成候选列表
    rm -f "$OUT_DIR/evolution-candidates.txt"
    touch "$OUT_DIR/evolution-candidates.txt"
    
    if [ -f "$CURRENT" ]; then
        while IFS= read -r project; do
            [ -z "$project" ] && continue
            result=$(evaluate_evolution "$project")
            if echo "$result" | grep -q "EVOLUTION_CANDIDATE"; then
                echo "$result" >> "$OUT_DIR/evolution-candidates.txt"
            fi
        done < "$CURRENT"
    fi
    
    generate_report
    
    # 更新历史
    cp "$CURRENT" "$PREVIOUS"
    
    log "========== 监控完成 =========="
    
    # 输出摘要
    local candidate_count=$(wc -l < "$OUT_DIR/evolution-candidates.txt" 2>/dev/null || echo 0)
    if [ "$candidate_count" -gt 0 ]; then
        echo ""
        warn "发现 $candidate_count 个进化候选!"
        cat "$OUT_DIR/evolution-candidates.txt"
    fi
}

main "$@"