# -*- coding: utf-8 -*-
"""
manifest.py — Сборка и управление манифестом переноса
"""

import json
import os
from datetime import datetime
from core.color import info, warn, success, subheader, divider


def build_manifest(docker_data, nginx_data, sidecars, host_network, systemd_units, cron_jobs, extra_hints):
    """
    Собирает единый manifest dict.
    """
    manifest = {
        "meta": {
            "created": datetime.now().isoformat(),
            "hostname": os.popen("hostname").read().strip(),
            "version": "1.0",
        },
        "service": {
            "name": docker_data.get("container_name"),
            "image": docker_data.get("image"),
            "status": docker_data.get("status"),
        },
        "docker": {
            "container_id": docker_data.get("container_id"),
            "compose_file": docker_data.get("compose_file"),
            "env_file": docker_data.get("env_file"),
            "mounts": docker_data.get("mounts", []),
            "ports": docker_data.get("ports", {}),
            "networks": docker_data.get("networks", []),
            "host_config": docker_data.get("host_config", {}),
            "labels": docker_data.get("labels", {}),
        },
        "nginx": nginx_data,
        "sidecars": sidecars,
        "host_network": host_network,
        "systemd_units": systemd_units,
        "cron_jobs": cron_jobs,
        "extra_hints": extra_hints or [],
    }
    return manifest


def save_manifest(manifest, path):
    with open(path, "w", encoding="utf-8") as f:
        json.dump(manifest, f, indent=2, ensure_ascii=False)
    success(f"Manifest сохранён: {path}")


def load_manifest(path):
    with open(path, "r", encoding="utf-8") as f:
        return json.load(f)


def review_manifest(manifest):
    """
    Показывает пользователю обзор манифеста перед подтверждением.
    """
    subheader("ОБЗОР МАНИФЕСТА (что будет перенесено)")
    divider()

    svc = manifest.get("service", {})
    print(f"  Сервис: {svc.get('name', '?')}")
    print(f"  Образ:  {svc.get('image', '?')}")

    docker = manifest.get("docker", {})
    print(f"\n  Compose:   {docker.get('compose_file') or '(не найден)'}")
    print(f"  .env:      {docker.get('env_file') or '(не найден)'}")

    mounts = docker.get("mounts", [])
    print(f"\n  Mounts/volumes ({len(mounts)}):")
    for m in mounts:
        print(f"    - [{m.get('type')}] {m.get('source')} → {m.get('destination')} ({m.get('mode')})")

    ports = docker.get("ports", {})
    if ports:
        print(f"\n  Опубликованные порты:")
        for host, container in ports.items():
            print(f"    {host} → {container}")

    nets = docker.get("networks", [])
    print(f"\n  Docker сети: {', '.join(nets) or '—'}")

    hc = docker.get("host_config", {})
    if hc.get("network_mode"):
        print(f"  network_mode: {hc['network_mode']}")
    if hc.get("privileged"):
        print(f"  privileged: {hc['privileged']}")
    if hc.get("cap_add"):
        print(f"  cap_add: {hc['cap_add']}")

    nginx = manifest.get("nginx", [])
    print(f"\n  Nginx связи ({len(nginx)}):")
    for n in nginx:
        print(f"    - {n.get('file') or n.get('method', '?')} | server_name={n.get('server_name')} | proxy_pass={n.get('proxy_pass')}")
        if n.get("ssl_certificate"):
            print(f"        SSL cert: {n['ssl_certificate']}")
            print(f"        SSL key:  {n['ssl_certificate_key']}")

    sidecars = manifest.get("sidecars", [])
    if sidecars:
        print(f"\n  Sidecar / loopback зависимости ({len(sidecars)}):")
        for s in sidecars:
            print(f"    - {s.get('type')}: {s.get('host_process', '?')} (pid={s.get('host_pid', '?')}, port={s.get('container_port_target', '?')})")

    units = manifest.get("systemd_units", [])
    if units:
        print(f"\n  Systemd units ({len(units)}):")
        for u in units:
            print(f"    - {u.get('name')} ({u.get('path')})")

    crons = manifest.get("cron_jobs", [])
    if crons:
        print(f"\n  Cron ({len(crons)}):")
        for c in crons[:3]:
            print(f"    - {c.get('file') or c.get('user', '?')}: {c.get('line', c.get('content', '?'))[:80]}")

    hostnet = manifest.get("host_network", {})
    if hostnet.get("ip_routes"):
        print(f"\n  Маршруты: {len(hostnet['ip_routes'])} записей")
    if hostnet.get("ip_rules"):
        print(f"  Policy rules: {len(hostnet['ip_rules'])} записей")

    divider()