#!/bin/bash
# Read JSON data that Claude Code sends to stdin
input=$(cat)

# Extract fields using jq
MODEL=$(echo "$input" | jq -r '.model.display_name')
DIR=$(echo "$input" | jq -r '.workspace.current_dir')
V=$(echo "$input" | jq -r '.version')

# 上下文窗口大小（由 runcc.sh 根据 Provider 设置并写入 settings.json，
# 默认 200000。GLM=200k, DeepSeek=1M）
CC_CONTEXT_WINDOW="${CC_CONTEXT_WINDOW:-200000}"

# 格式化上下文窗口: 200000→200k, 1000000→1M
if [ "$CC_CONTEXT_WINDOW" -ge 1000000 ]; then
    CW_DISPLAY="$((CC_CONTEXT_WINDOW / 1000000))M"
else
    CW_DISPLAY="$((CC_CONTEXT_WINDOW / 1000))k"
fi

# 模型名后追加上下文窗口大小（避免重复追加）
if [[ "$MODEL" != *"$CW_DISPLAY"* ]]; then
    MODEL="${MODEL} [${CW_DISPLAY}]"
fi

# 计算上下文使用占比
AUTO_COMPACT_WINDOW="$CC_CONTEXT_WINDOW"
PCT=$(echo "$input" | jq -r --argjson w "$AUTO_COMPACT_WINDOW" '
  ((
    (.context_window.current_usage.input_tokens // 0) +
    (.context_window.current_usage.cache_creation_input_tokens // 0) +
    (.context_window.current_usage.cache_read_input_tokens // 0)
  ) * 100 / $w) | round
')

BRANCH=""
if command -v jj >/dev/null 2>&1 && jj repo root >/dev/null 2>&1; then
    BRANCH="🌿 $(jj log -r '@-' -T 'bookmarks' --no-graph 2>/dev/null)"
elif git rev-parse --git-dir >/dev/null 2>&1; then
    BRANCH="🌿 $(git branch --show-current 2>/dev/null)"
fi

REMOTE=""
if command -v jj >/dev/null 2>&1 && jj repo root >/dev/null 2>&1; then
    REMOTE="🌐 $(jj git remote list 2>/dev/null | head -1 | awk '{print $2}')"
elif git rev-parse --git-dir >/dev/null 2>&1; then
    REMOTE="🌐 $(git remote get-url origin 2>/dev/null)"
fi

# DISABLE_COMPACT 提醒：无自动压缩，需手动 /compact 或 /clear
COMPACT_HINT=""
if [ "${DISABLE_COMPACT:-0}" = "1" ]; then
    COMPACT_HINT=" | ⚠无自动压缩"
fi

echo "版本：v$V | 模型：$MODEL | 上下文：${PCT}%${COMPACT_HINT}"