#!/bin/bash
# Minimal serving-layer-only patches. No pip install. No compute file changes.
# Goal: match Sub168's approach — only patch what's needed for tool_call/reasoning.

cd "$(dirname "$0")"
echo "[patch_ops] START — working directory: $(pwd)"

# Find vllm installation
VLLM=""
for P in /usr/local/corex/lib/python3/dist-packages/vllm \
         /usr/local/corex/lib64/python3/dist-packages/vllm; do
    if [ -d "$P" ]; then
        VLLM="$P"
        echo "[patch_ops] Found vllm at: $VLLM"
        break
    fi
done

if [ -z "$VLLM" ]; then
    echo "[patch_ops] ERROR: vllm not found"
    exit 1
fi

# 1. Register Qwen3_5 model configs in transformers (no pip install!)
TMODELS=""
for P in /usr/local/lib/python3.10/site-packages/transformers/models \
         /usr/local/corex/lib/python3/dist-packages/transformers/models \
         /usr/local/corex/lib64/python3/dist-packages/transformers/models; do
    if [ -d "$P" ]; then
        TMODELS="$P"
        break
    fi
done
if [ -n "$TMODELS" ]; then
    cp -r ./qwen3_5 "$TMODELS/" 2>/dev/null && echo "[patch_ops] qwen3_5 config copied" || true
    cp -r ./qwen3_5_moe "$TMODELS/" 2>/dev/null && echo "[patch_ops] qwen3_5_moe config copied" || true
    python3 ./patch_transformers_qwen3_5.py 2>&1 || echo "[patch_ops] WARNING: transformers patch failed (non-fatal)"
else
    echo "[patch_ops] WARNING: transformers/models not found"
fi

# 2. Model registry
if [ -f ./registry.py ]; then
    cp ./registry.py "$VLLM/model_executor/models/registry.py" 2>/dev/null && \
        echo "[patch_ops] registry.py deployed" || echo "[patch_ops] WARNING: registry deploy failed"
fi

# 3. Tool parser
mkdir -p "$VLLM/entrypoints/openai/tool_parsers" 2>/dev/null || true
cp ./qwen3coder_tool_parser.py "$VLLM/entrypoints/openai/tool_parsers/" 2>/dev/null || true
cp ./tool_parsers_init.py "$VLLM/entrypoints/openai/tool_parsers/__init__.py" 2>/dev/null || true
echo "[patch_ops] tool parser deployed"

# 4. Reasoning parser
cp -r ./reasoning "$VLLM/" 2>/dev/null || true
echo "[patch_ops] reasoning parser deployed"

# 5. Serving layer (protocol, chat, api_server, cli_args, chat_utils)
cp ./protocol.py "$VLLM/entrypoints/openai/protocol.py" 2>/dev/null || true
cp ./cli_args.py "$VLLM/entrypoints/openai/cli_args.py" 2>/dev/null || true
cp ./serving_chat.py "$VLLM/entrypoints/openai/serving_chat.py" 2>/dev/null || true
cp ./api_server.py "$VLLM/entrypoints/openai/api_server.py" 2>/dev/null || true
cp ./chat_utils.py "$VLLM/entrypoints/chat_utils.py" 2>/dev/null || true
echo "[patch_ops] serving layer deployed"

# 6. If second vllm path exists, copy there too
VLLM2=""
for P in /usr/local/corex/lib/python3/dist-packages/vllm \
         /usr/local/corex/lib64/python3/dist-packages/vllm; do
    if [ -d "$P" ] && [ "$P" != "$VLLM" ]; then
        VLLM2="$P"
        break
    fi
done
if [ -n "$VLLM2" ]; then
    echo "[patch_ops] Second vllm found at: $VLLM2 — copying patches"
    cp ./registry.py "$VLLM2/model_executor/models/registry.py" 2>/dev/null || true
    mkdir -p "$VLLM2/entrypoints/openai/tool_parsers" 2>/dev/null || true
    cp ./qwen3coder_tool_parser.py "$VLLM2/entrypoints/openai/tool_parsers/" 2>/dev/null || true
    cp ./tool_parsers_init.py "$VLLM2/entrypoints/openai/tool_parsers/__init__.py" 2>/dev/null || true
    cp -r ./reasoning "$VLLM2/" 2>/dev/null || true
    cp ./protocol.py "$VLLM2/entrypoints/openai/protocol.py" 2>/dev/null || true
    cp ./cli_args.py "$VLLM2/entrypoints/openai/cli_args.py" 2>/dev/null || true
    cp ./serving_chat.py "$VLLM2/entrypoints/openai/serving_chat.py" 2>/dev/null || true
    cp ./api_server.py "$VLLM2/entrypoints/openai/api_server.py" 2>/dev/null || true
    cp ./chat_utils.py "$VLLM2/entrypoints/chat_utils.py" 2>/dev/null || true
fi

echo "[patch_ops] DONE — no pip install, no compute file changes, corex kernels preserved"