from aiogram import F
from aiogram.types import Message
from app import dp
from auth import is_admin_msg
from keyboards import docker_kb, docker_inline_kb
from services.docker import container_uptime, docker_cmd
from state import DOCKER_MAP, LOG_FILTER_PENDING
import time


async def cmd_docker_status(msg: Message):
    try:
        if not DOCKER_MAP:
            await msg.answer(
                "⚠️ DOCKER_MAP пуст.\n"
                "Контейнеры не обнаружены.",
                reply_markup=docker_kb,
            )
            return

        lines = ["🐳 Docker containers\n"]

        for alias, real in DOCKER_MAP.items():
            rc, raw = await docker_cmd(
                ["inspect", "-f", "{{.State.Status}}|{{.State.StartedAt}}", real],
                timeout=10,
            )

            if rc != 0:
                lines.append(f"🔴 {alias}: inspect error")
                continue

            raw = raw.strip()
            if "|" not in raw:
                lines.append(f"🟡 {alias}: invalid inspect output")
                continue

            status, started = raw.split("|", 1)
            up = container_uptime(started)

            icon = "🟢" if status == "running" else "🔴"
            lines.append(f"{icon} {alias}: {status} ({up})")

        await msg.answer("\n".join(lines), reply_markup=docker_kb)

    except Exception as e:
        # ⬅️ КРИТИЧЕСКИ ВАЖНО
        await msg.answer(
            "❌ Docker status crashed:\n"
            f"```{type(e).__name__}: {e}```",
            reply_markup=docker_kb,
            parse_mode="Markdown",
        )


@dp.message(F.text == "🔄 Restart")
async def dr(msg: Message):
    if is_admin_msg(msg):
        await msg.answer(
            "🔄 Выберите контейнер для рестарта:",
            reply_markup=docker_inline_kb("restart")
        )


@dp.message(F.text == "📜 Logs")
async def dl(msg: Message):
    if is_admin_msg(msg):
        await msg.answer(
            "📜 Выберите контейнер для логов:",
            reply_markup=docker_inline_kb("logs")
        )


@dp.message(F.text == "🐳 Status")
async def ds(msg: Message):
    if is_admin_msg(msg):
        await cmd_docker_status(msg)


@dp.message(F.text == "/docker_status")
async def ds_cmd(msg: Message):
    if is_admin_msg(msg):
        await cmd_docker_status(msg)


@dp.message(F.text == "📈 Stats")
async def dstats(msg: Message):
    if not is_admin_msg(msg):
        return
    if not DOCKER_MAP:
        await msg.answer(
            "⚠️ DOCKER_MAP пуст.\n"
            "Контейнеры не обнаружены.",
            reply_markup=docker_kb,
        )
        return

    names = list(DOCKER_MAP.values())
    fmt = "{{.Name}}|{{.CPUPerc}}|{{.MemUsage}}|{{.NetIO}}|{{.BlockIO}}"
    rc, out = await docker_cmd(["stats", "--no-stream", "--format", fmt] + names)
    if rc != 0:
        await msg.answer(out, reply_markup=docker_kb)
        return
    lines = [line.strip() for line in out.splitlines() if line.strip()]
    if not lines:
        await msg.answer("📈 Stats\n\n(no data)", reply_markup=docker_kb)
        return

    alias_by_name = {v: k for k, v in DOCKER_MAP.items()}
    rows = []
    for line in lines:
        parts = line.split("|")
        if len(parts) != 5:
            continue
        name, cpu, mem, net, blk = [p.strip() for p in parts]
        display = alias_by_name.get(name, name)
        try:
            cpu_val = float(cpu.strip("%"))
        except ValueError:
            cpu_val = 0.0
        rows.append((cpu_val, display, cpu, mem, net, blk))

    if not rows:
        await msg.answer("📈 Stats\n\n(no data)", reply_markup=docker_kb)
        return

    rows.sort(key=lambda r: r[0], reverse=True)
    header = f"{'NAME':<18} {'CPU':>6} {'MEM':>18} {'NET':>16} {'IO':>16}"
    formatted = [header]
    for _cpu_val, name, cpu, mem, net, blk in rows:
        formatted.append(f"{name[:18]:<18} {cpu:>6} {mem:>18} {net:>16} {blk:>16}")

    body = "\n".join(formatted)
    await msg.answer(
        f"📈 **Docker stats**\n```\n{body}\n```",
        reply_markup=docker_kb,
        parse_mode="Markdown",
    )


@dp.message(F.text, F.func(lambda msg: msg.from_user and msg.from_user.id in LOG_FILTER_PENDING))
async def log_filter_input(msg: Message):
    if not is_admin_msg(msg):
        return

    pending = LOG_FILTER_PENDING.pop(msg.from_user.id, None)
    if not pending:
        return

    alias = pending["alias"]
    real = DOCKER_MAP.get(alias)
    if not real:
        await msg.answer("⚠️ Container not found", reply_markup=docker_kb)
        return

    needle = (msg.text or "").strip()
    if not needle:
        await msg.answer("⚠️ Empty filter text", reply_markup=docker_kb)
        return

    since_ts = str(int(time.time() - int(pending.get("since_sec", 1800))))
    rc, out = await docker_cmd(["logs", "--since", since_ts, "--tail", "400", real])
    if rc != 0:
        await msg.answer(out, reply_markup=docker_kb)
        return
    if not out.strip():
        await msg.answer("⚠️ Нет логов за выбранный период", reply_markup=docker_kb)
        return

    lines = [line for line in out.splitlines() if needle.lower() in line.lower()]
    filtered = "\n".join(lines) if lines else "(no matches)"

    await msg.answer(
        f"📜 **Logs filter: {alias}**\n```{filtered}```",
        parse_mode="Markdown",
        reply_markup=docker_kb,
    )