#!/bin/bash
# =============================================================================
# Moltbook Automator - Reply Script
# 自动回复 Moltbook 消息
# =============================================================================

set -e

SKILL_DIR="$HOME/.clawdbot/skills/moltbook-automator"
CONFIG_FILE="$SKILL_DIR/config.json"
STATE_FILE="$SKILL_DIR/state.json"
LOG_FILE="$HOME/.clawdbot/moltbook-automator.log"

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

# 发送回复
send_reply() {
    local post_id="$1"
    local author="$2"
    local template="$3"
    
    # 替换模板变量
    local message="${template//\{author\}/$author}"
    
    log "正在回复帖子 $post_id (作者: $author)..."
    
    local prompt="请帮我在 Moltbook 上回复帖子 ID: $post_id
回复内容: $message

请确认回复已发送。"

    clawdbot agent --message "$prompt" --deliver >> "$LOG_FILE" 2>&1
    
    # 更新统计
    jq '.today_stats.auto_replies_sent += 1 | .lifetime_stats.total_auto_replies += 1' \
        "$STATE_FILE" > "${STATE_FILE}.tmp" && mv "${STATE_FILE}.tmp" "$STATE_FILE"
    
    log "✅ 回复已发送"
}

# 处理提及
handle_mention() {
    local post_id="$1"
    local author="$2"
    
    local template=$(jq -r '.auto_reply.rules[] | select(.trigger == "mention") | .template' "$CONFIG_FILE")
    
    if [ -n "$template" ] && [ "$template" != "null" ]; then
        send_reply "$post_id" "$author" "$template"
    fi
}

# 处理私信
handle_dm() {
    local dm_id="$1"
    local author="$2"
    local preview="$3"
    
    local template=$(jq -r '.auto_reply.rules[] | select(.trigger == "dm") | .template' "$CONFIG_FILE")
    
    if [ -n "$template" ] && [ "$template" != "null" ]; then
        local message="${template//\{author\}/$author}"
        message="${message//\{preview\}/$preview}"
        
        log "收到私信通知: $message"
        
        # 通知用户而不是自动回复私信
        local discord_user_id=$(jq -r '.discord_user_id' "$CONFIG_FILE")
        clawdbot agent --channel discord --to "$discord_user_id" \
            --message "📬 Moltbook 私信通知: $message" --deliver >> "$LOG_FILE" 2>&1
    fi
}

# 处理关键词触发
handle_keyword() {
    local post_id="$1"
    local author="$2"
    local content="$3"
    
    # 获取关键词列表
    local keywords=$(jq -r '.auto_reply.rules[] | select(.trigger == "keyword") | .keywords[]' "$CONFIG_FILE")
    local template=$(jq -r '.auto_reply.rules[] | select(.trigger == "keyword") | .template' "$CONFIG_FILE")
    
    for keyword in $keywords; do
        if echo "$content" | grep -qi "$keyword"; then
            log "检测到关键词: $keyword"
            send_reply "$post_id" "$author" "$template"
            return
        fi
    done
}

# 使用说明
usage() {
    echo "用法: $0 <command> [args...]"
    echo ""
    echo "命令:"
    echo "  mention <post_id> <author>           处理提及"
    echo "  dm <dm_id> <author> <preview>        处理私信"
    echo "  keyword <post_id> <author> <content> 处理关键词"
    echo ""
    echo "示例:"
    echo "  $0 mention 12345 alice"
    echo "  $0 dm 67890 bob '你好，请问...'"
}

# 主函数
main() {
    local command="$1"
    shift
    
    # 检查自动回复是否启用
    local enabled=$(jq -r '.auto_reply.enabled' "$CONFIG_FILE")
    if [ "$enabled" != "true" ]; then
        log "⚠️ 自动回复未启用 (config.json -> auto_reply.enabled = false)"
        exit 0
    fi
    
    case "$command" in
        mention)
            handle_mention "$@"
            ;;
        dm)
            handle_dm "$@"
            ;;
        keyword)
            handle_keyword "$@"
            ;;
        *)
            usage
            exit 1
            ;;
    esac
}

if [ $# -eq 0 ]; then
    usage
    exit 1
fi

main "$@"