from alerts.utils import plural_sectors


def temperature(device, value=None):
    if value is not None:
        return f"\u26c3 {device:<8} {value}\u00b0C"
    return f"\u26c3 {device:<8}"


def bad_blocks(device, value=None):
    if value is not None:
        return f"\u26c3 {device:<8} {value} {plural_sectors(value)}"
    return f"\u26c3 {device:<8}"


def smart(device, value=None):
    return f"\u26c3 {device:<8}"


def read_errors(device, value=None):
    if value is not None:
        return f"\u26c3 {device:<8} {value}"
    return f"\u26c3 {device:<8}"


def zfs_pool(device, value=None):
    return f"\U0001F3DB \u041e\u043b\u0438\u043c\u043f ({device})"


def backup_outdated(device, value=None):
    return f"\U0001F4E6 {device:<8}"


def backup_success(info):
    lines = []
    for b in info.get("backups", []):
        lines.append(f"\U0001F4E6 {b['backup_id']}")
        lines.append(f"\U0001F5C3 {b['size']}")
        if b.get("duration"):
            lines.append(f"\u23F1 {b['duration']}")
        lines.append("")

    lines.append(f"\u23F0 {info.get('time', 'unknown')}")
    if info.get("total_size"):
        lines.append(f"\U0001F5C3 \u041e\u0431\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440: {info['total_size']}")

    return "\n".join(lines)


def backup_failed(info):
    lines = []
    for b in info.get("backups", []):
        icon = "\u2705" if b["status"] == "ok" else "\u274C"
        lines.append(f"{icon} {b['backup_id']}")
        lines.append(f"\U0001F5C3 {b['size']}")
        lines.append("")

    lines.append(f"\u23F0 {info.get('time', 'unknown')}")
    if info.get("total_size"):
        lines.append(f"\U0001F5C3 \u041e\u0431\u0449\u0438\u0439 \u0440\u0430\u0437\u043c\u0435\u0440: {info['total_size']}")

    return "\n".join(lines)


FORMATTERS = {
    "temperature": temperature,
    "bad_blocks": bad_blocks,
    "smart": smart,
    "read_errors": read_errors,
    "zfs_pool": zfs_pool,
    "backup_outdated": backup_outdated,
    "backup_success": backup_success,
    "backup_failed": backup_failed,
}


def get_formatter(name):
    return FORMATTERS.get(name)