#
# Copyright (C) 2020 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


from .templates import Category, TemplateBase
from .qemu_nodes import (
    QemuConsoleType,
    QemuPlatform,
    QemuAdapterType,
    QemuOnCloseAction,
    QemuBootPriority,
    QemuDiskInterfaceType,
    QemuProcessPriority,
    CustomAdapter
)

from pydantic import Field
from typing import Optional, List


class QemuTemplate(TemplateBase):

    category: Optional[Category] = "guest"
    default_name_format: Optional[str] = "{name}-{0}"
    symbol: Optional[str] = ":/symbols/qemu_guest.svg"
    qemu_path: Optional[str] = Field("", description="Qemu executable path")
    platform: Optional[QemuPlatform] = Field("i386", description="Platform to emulate")
    linked_clone: Optional[bool] = Field(True, description="Whether the VM is a linked clone or not")
    ram: Optional[int] = Field(256, description="Amount of RAM in MB")
    cpus: Optional[int] = Field(1, ge=1, le=255, description="Number of vCPUs")
    maxcpus: Optional[int] = Field(1, ge=1, le=255, description="Maximum number of hotpluggable vCPUs")
    adapters: Optional[int] = Field(1, ge=0, le=275, description="Number of adapters")
    adapter_type: Optional[QemuAdapterType] = Field("e1000", description="QEMU adapter type")
    mac_address: Optional[str] = Field("", description="QEMU MAC address", regex="^([0-9a-fA-F]{2}[:]){5}([0-9a-fA-F]{2})$|^$")
    first_port_name: Optional[str] = Field("", description="Optional name of the first networking port example: eth0")
    port_name_format: Optional[str] = Field("Ethernet{0}", description="Optional formatting of the networking port example: eth{0}")
    port_segment_size: Optional[int] = Field(0, description="Optional port segment size. A port segment is a block of port. For example Ethernet0/0 Ethernet0/1 is the module 0 with a port segment size of 2")
    console_type: Optional[QemuConsoleType] = Field("telnet", description="Console type")
    console_auto_start: Optional[bool] = Field(False, description="Automatically start the console when the node has started")
    aux_type: Optional[QemuConsoleType] = Field("none", description="Auxiliary console type")
    boot_priority: Optional[QemuBootPriority] = Field("c", description="QEMU boot priority")
    hda_disk_image: Optional[str] = Field("", description="QEMU hda disk image path")
    hda_disk_interface: Optional[QemuDiskInterfaceType] = Field("none", description="QEMU hda interface")
    hdb_disk_image: Optional[str] = Field("", description="QEMU hdb disk image path")
    hdb_disk_interface: Optional[QemuDiskInterfaceType] = Field("none", description="QEMU hdb interface")
    hdc_disk_image: Optional[str] = Field("", description="QEMU hdc disk image path")
    hdc_disk_interface: Optional[QemuDiskInterfaceType] = Field("none", description="QEMU hdc interface")
    hdd_disk_image: Optional[str] = Field("", description="QEMU hdd disk image path")
    hdd_disk_interface: Optional[QemuDiskInterfaceType] = Field("none", description="QEMU hdd interface")
    cdrom_image: Optional[str] = Field("", description="QEMU cdrom image path")
    initrd: Optional[str] = Field("", description="QEMU initrd path")
    kernel_image: Optional[str] = Field("", description="QEMU kernel image path")
    bios_image: Optional[str] = Field("", description="QEMU bios image path")
    kernel_command_line: Optional[str] = Field("", description="QEMU kernel command line")
    legacy_networking: Optional[bool] = Field(False, description="Use QEMU legagy networking commands (-net syntax)")
    replicate_network_connection_state: Optional[bool] = Field(True, description="Replicate the network connection state for links in Qemu")
    create_config_disk: Optional[bool] = Field(False, description="Automatically create a config disk on HDD disk interface (secondary slave)")
    on_close: Optional[QemuOnCloseAction] = Field("power_off", description="Action to execute on the VM is closed")
    cpu_throttling: Optional[int] = Field(0, ge=0, le=800, description="Percentage of CPU allowed for QEMU")
    process_priority: Optional[QemuProcessPriority] = Field("normal", description="Process priority for QEMU")
    options: Optional[str] = Field("", description="Additional QEMU options")
    custom_adapters: Optional[List[CustomAdapter]] = Field(default_factory=list, description="Custom adapters")