#!/usr/bin/env python3
"""bolt stdio 模式端到端协议测试驱动"""
import faulthandler, json, os, subprocess, sys, threading, time


BOLT = "/root/bolt/target/release/bolt"
proc = subprocess.Popen([BOLT], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, bufsize=0)
sent = {}
next_id = [0]

def send(method, params=None):
    next_id[0] += 1
    msg = {"jsonrpc": "2.0", "id": next_id[0], "method": method}
    if params is not None:
        msg["params"] = params
    proc.stdin.write((json.dumps(msg) + "\n").encode())
    proc.stdin.flush()
    return next_id[0]

def send_notif(method, params=None):
    msg = {"jsonrpc": "2.0", "method": method}
    if params is not None:
        msg["params"] = params
    proc.stdin.write((json.dumps(msg) + "\n").encode())
    proc.stdin.flush()

def recv(timeout=30):
    import select
    end = time.time() + timeout
    line = b""
    while True:
        r, _, _ = select.select([proc.stdout], [], [], max(0.0, end - time.time()))
        if not r:
            raise TimeoutError(f"timeout, got so far: {line[:200]}")
        ch = proc.stdout.read(1)
        if not ch:
            raise TimeoutError("EOF")
        if ch == b"\n":
            return json.loads(line)
        line += ch

received = {}  # 乱序到达的响应缓存(id -> msg)
def wait_id(i, timeout=30):
    if i in received:
        return received.pop(i)
    deadline = time.time() + timeout
    pend.setdefault("extra", []).append(f"awaiting {i}")
    while time.time() < deadline:
        try:
            m = recv(timeout=min(3, deadline - time.time()))
        except TimeoutError as e:
            raise TimeoutError(f"no response for id {i}: {e}; extras: {json.dumps(pend.get('extra', []))[:800]}")
        if m.get("id") == i:
            return m
        if m.get("id") is not None:
            received[m["id"]] = m
        else:
            pend.setdefault("extra", []).append(m)
    raise TimeoutError(f"no response for id {i}, extras: {json.dumps(pend.get('extra', []))[:800]}")

pend = {}
passed = failed = 0
def check(name, cond, detail=""):
    global passed, failed
    if cond:
        passed += 1
        print(f"  PASS {name}")
    else:
        failed += 1
        print(f"  FAIL {name} {detail}")

# 1. initialize
i = send("initialize", {"protocolVersion": "2025-06-18", "capabilities": {}, "clientInfo": {"name": "test", "version": "1"}})
r = wait_id(i)
check("initialize", r["result"]["protocolVersion"] == "2025-06-18" and r["result"]["serverInfo"]["name"] == "bolt", str(r))
send_notif("notifications/initialized")

# 2. tools/list
i = send("tools/list")
r = wait_id(i)
names = [t["name"] for t in r["result"]["tools"]]
check("tools/list", names == ["run_command", "shell_open", "shell_write", "shell_read", "shell_close"], str(names))

# 3. run_command 基本
i = send("tools/call", {"name": "run_command", "arguments": {"command": "echo hello; printf 'oops' >&2; exit 7"}})
r = wait_id(i)
sc = r["result"]["structuredContent"]
check("run basic", sc["exit_code"] == 7 and sc["stdout"] == "hello\n" and sc["stderr"] == "oops", str(sc))

# 4. 超时
t0 = time.time()
i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30", "timeout_ms": 400}})
r = wait_id(i)
dt = time.time() - t0
sc = r["result"]["structuredContent"]
check("timeout kill", sc["timed_out"] and not sc["cancelled"] and dt < 5, f"{sc} dt={dt:.1f}")

# 5. 取消:发一个长命令,再发 cancelled
i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30 && echo done"}})
time.sleep(0.4)
send_notif("notifications/cancelled", {"requestId": i})
r = wait_id(i)
sc = r["result"]["structuredContent"]
check("cancel kill", sc["cancelled"] and sc["exit_code"] is None, str(sc))

# 6. 进程组连带杀:sh -c 'sleep 30 & sleep 30' 的子进程也应变僵尸
i = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 30 & sleep 30", "timeout_ms": 400}})
r = wait_id(i)
check("kill whole tree", r["result"]["structuredContent"]["timed_out"])

# 7. 进度通知(_meta.progressToken)
i = send("tools/call", {"name": "run_command", "arguments": {"command": "for x in 1 2 3 4; do echo tick-$x; sleep 0.3; done"}, "_meta": {"progressToken": "tok-1"}})
got_progress = False
deadline = time.time() + 10
while time.time() < deadline:
    m = recv(timeout=deadline - time.time())
    if m.get("method") == "notifications/progress" and m.get("params", {}).get("progressToken") == "tok-1":
        got_progress = True
        break
    if m.get("id") == i:
        break
check("progress notification", got_progress)
# 排空管道:打印残留
import select
import os
while True:
    r, _, _ = select.select([proc.stdout], [], [], 0)
    if not r: break
    try:
        m = recv(timeout=2)
        print("  LEFT:", m.get("id"), m.get("method"))
    except Exception:
        break

# 8. 并发:同时两个命令
i1 = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 0.6; echo ONE"}})
i2 = send("tools/call", {"name": "run_command", "arguments": {"command": "sleep 0.2; echo TWO"}})
r1, r2 = wait_id(i1), wait_id(i2)
check("concurrent", r1["result"]["structuredContent"]["stdout"].strip() == "ONE" and r2["result"]["structuredContent"]["stdout"].strip() == "TWO")

# 9. shell 会话
i = send("tools/call", {"name": "shell_open", "arguments": {}})
r = wait_id(i)
sid = r["result"]["session_id"]
check("shell open", isinstance(sid, int))
send("tools/call", {"name": "shell_write", "arguments": {"session_id": sid, "input": "cd /tmp && echo IN_TMP; echo DONE_$$; exit"}})
# 输出先于退出标志到达,循环读取直到会话退出
all_out = ""
for _ in range(10):
    i = send("tools/call", {"name": "shell_read", "arguments": {"session_id": sid, "timeout_ms": 3000}})
    r = wait_id(i)
    res = r["result"]
    all_out += res["output"]
    if res["exited"]:
        break
check("shell read output", "IN_TMP" in all_out and res["exited"], f"out={all_out!r}")
i = send("tools/call", {"name": "shell_close", "arguments": {"session_id": sid}})
r = wait_id(i)
check("shell close", r["result"]["closed"] is True)

# 10. stdio 关闭 → 进程退出
send_notif("notifications/exit")
try:
    proc.wait(timeout=3)
    check("graceful exit", True)
except subprocess.TimeoutExpired:
    check("graceful exit", False)

err = proc.stderr.read().decode()
print(f"\n=== {passed} passed, {failed} failed ===")
if err.strip():
    print("stderr:", err[:500])
sys.exit(1 if failed else 0)