import argparse
import dataclasses
import json
import os
import textwrap
from datetime import datetime

from pkb_client.client import PKBClient, API_ENDPOINT
from pkb_client.client.dns import DNSRecordType, DNSRestoreMode
from pkb_client.client.forwarding import URLForwardingType


class CustomJSONEncoder(json.JSONEncoder):
    def default(self, o):
        if isinstance(o, datetime):
            return o.isoformat()
        if dataclasses.is_dataclass(o):
            return dataclasses.asdict(o)
        return super().default(o)


def main():
    parser = argparse.ArgumentParser(
        description="Python client for the Porkbun API",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog=textwrap.dedent("""
                                    License:
                                    MIT - Copyright (c) Marvin Heptner
                                    """),
    )

    parser.add_argument(
        "-k",
        "--key",
        help='The API key used for Porkbun API calls (usually starts with "pk").',
    )
    parser.add_argument(
        "-s",
        "--secret",
        help='The API secret used for Porkbun API calls (usually starts with "sk").',
    )
    parser.add_argument("--debug", help="Enable debug mode.", action="store_true")
    parser.add_argument(
        "--endpoint", help="The API endpoint to use.", default=API_ENDPOINT
    )

    subparsers = parser.add_subparsers(help="Supported API methods")

    parser_ping = subparsers.add_parser("ping", help="Ping the API Endpoint")
    parser_ping.set_defaults(func=PKBClient.ping)

    parser_dns_create = subparsers.add_parser(
        "create-dns-record", help="Create a new DNS record."
    )
    parser_dns_create.set_defaults(func=PKBClient.create_dns_record)
    parser_dns_create.add_argument(
        "domain", help="The domain for which the new DNS record should be created."
    )
    parser_dns_create.add_argument(
        "record_type",
        help="The type of the new DNS record.",
        choices=list(DNSRecordType),
    )
    parser_dns_create.add_argument("content", help="The content of the new DNS record.")
    parser_dns_create.add_argument(
        "--name",
        help="The subdomain for which the new DNS record should be created."
        "The * can be used for a wildcard DNS record."
        "If not used, then a DNS record for the root domain will be created",
        required=False,
    )
    parser_dns_create.add_argument(
        "--ttl", type=int, help="The ttl of the new DNS record.", required=False
    )
    parser_dns_create.add_argument(
        "--prio", type=int, help="The priority of the new DNS record.", required=False
    )

    parser_dns_edit = subparsers.add_parser(
        "update-dns-record", help="Edit an existing DNS record."
    )
    parser_dns_edit.set_defaults(func=PKBClient.update_dns_record)
    parser_dns_edit.add_argument(
        "domain", help="The domain for which the DNS record should be edited."
    )
    parser_dns_edit.add_argument(
        "record_id", help="The id of the DNS record which should be edited."
    )
    parser_dns_edit.add_argument(
        "record_type",
        help="The new type of the DNS record.",
        choices=list(DNSRecordType),
    )
    parser_dns_edit.add_argument("content", help="The new content of the DNS record.")
    parser_dns_edit.add_argument(
        "--name",
        help="The new value of the subdomain for which the DNS record should apply. "
        "The * can be used for a wildcard DNS record. If not set, the record will "
        "be set for the root domain.",
        required=False,
    )
    parser_dns_edit.add_argument(
        "--ttl", type=int, help="The new ttl of the DNS record.", required=False
    )
    parser_dns_edit.add_argument(
        "--prio", type=int, help="The new priority of the DNS record.", required=False
    )

    parser_dns_delete = subparsers.add_parser(
        "delete-dns-records", help="Delete an existing DNS record."
    )
    parser_dns_delete.set_defaults(func=PKBClient.delete_dns_record)
    parser_dns_delete.add_argument(
        "domain", help="The domain for which the DNS record should be deleted."
    )
    parser_dns_delete.add_argument(
        "record_id", help="The id of the DNS record which should be deleted."
    )

    parser_dns_receive = subparsers.add_parser(
        "get-dns-records", help="Get all DNS records."
    )
    parser_dns_receive.set_defaults(func=PKBClient.get_dns_records)
    parser_dns_receive.add_argument(
        "domain", help="The domain for which the DNS record should be retrieved."
    )

    parser_dns_export = subparsers.add_parser(
        "export-dns-records", help="Save all DNS records to a local json file."
    )
    parser_dns_export.set_defaults(func=PKBClient.export_dns_records)
    parser_dns_export.add_argument(
        "domain",
        help="The domain for which the DNS record should be retrieved and saved.",
    )
    parser_dns_export.add_argument(
        "filepath", help="The filepath where to save the exported DNS records."
    )

    parser_dns_export_bind = subparsers.add_parser(
        "export-bind-dns-records", help="Save all DNS records to a local BIND file."
    )
    parser_dns_export_bind.set_defaults(func=PKBClient.export_bind_dns_records)
    parser_dns_export_bind.add_argument(
        "domain",
        help="The domain for which the DNS record should be retrieved and saved.",
    )
    parser_dns_export_bind.add_argument(
        "filepath", help="The filepath where to save the exported DNS records."
    )

    parser_dns_import = subparsers.add_parser(
        "import-dns-records",
        help="Restore all DNS records from a local json file.",
        formatter_class=argparse.RawTextHelpFormatter,
    )
    parser_dns_import.set_defaults(func=PKBClient.import_dns_records)
    parser_dns_import.add_argument(
        "domain", help="The domain for which the DNS record should be restored."
    )
    parser_dns_import.add_argument(
        "filepath", help="The filepath from which the DNS records are to be restored."
    )
    parser_dns_import.add_argument(
        "restore_mode",
        help="""The restore mode (DNS records are identified by the record type, name and prio if supported):
    clear: remove all existing DNS records and restore all DNS records from the provided file
    replace: replace only existing DNS records with the DNS records from the provided file, but do not create any new DNS records
    keep: keep the existing DNS records and only create new ones for all DNS records from the specified file if they do not exist
    """,
        type=DNSRestoreMode.from_string,
        choices=list(DNSRestoreMode),
    )

    parser_dns_import_bind = subparsers.add_parser(
        "import-bind-dns-records",
        help="Restore all DNS records from a local BIND file.",
        formatter_class=argparse.RawTextHelpFormatter,
    )
    parser_dns_import_bind.set_defaults(func=PKBClient.import_bind_dns_records)
    parser_dns_import_bind.add_argument(
        "filepath", help="The filepath from which the DNS records are to be restored."
    )
    parser_dns_import_bind.add_argument(
        "restore_mode",
        help="""The restore mode (DNS records are identified by the record id):
    clear: remove all existing DNS records and restore all DNS records from the provided file
    """,
        type=DNSRestoreMode.from_string,
        choices=[DNSRestoreMode.clear],
    )

    parser_domain_pricing = subparsers.add_parser(
        "get-domain-pricing", help="Get the pricing for Porkbun domains."
    )
    parser_domain_pricing.set_defaults(func=PKBClient.get_domain_pricing)

    parser_ssl_retrieve = subparsers.add_parser(
        "get-ssl-bundle", help="Retrieve an SSL bundle for given domain."
    )
    parser_ssl_retrieve.set_defaults(func=PKBClient.get_ssl_bundle)
    parser_ssl_retrieve.add_argument(
        "domain", help="The domain for which the SSL bundle should be retrieve."
    )

    parser_update_dns_server = subparsers.add_parser(
        "update-dns-servers", help="Update the DNS servers for a domain."
    )
    parser_update_dns_server.set_defaults(func=PKBClient.update_dns_servers)
    parser_update_dns_server.add_argument(
        "domain", help="The domain for which the DNS servers should be set."
    )
    parser_update_dns_server.add_argument(
        "dns_servers", nargs="+", help="The DNS servers to be set."
    )

    parser_get_dns_server = subparsers.add_parser(
        "get-dns-servers", help="Retrieve the DNS servers for a domain."
    )
    parser_get_dns_server.set_defaults(func=PKBClient.get_dns_servers)
    parser_get_dns_server.add_argument(
        "domain", help="The domain for which the DNS servers should be retrieved."
    )

    parser_list_domains = subparsers.add_parser(
        "get-domains", help="List all domains in this account in chunks of 1000."
    )
    parser_list_domains.set_defaults(func=PKBClient.get_domains)
    parser_list_domains.add_argument(
        "--start",
        type=int,
        help="The start index of the list.",
        default=0,
        required=False,
    )

    parser_get_url_forward = subparsers.add_parser(
        "get-url-forwards", help="Retrieve all URL forwards."
    )
    parser_get_url_forward.set_defaults(func=PKBClient.get_url_forwards)
    parser_get_url_forward.add_argument(
        "domain", help="The domain for which the URL forwards should be retrieved."
    )

    parser_add_url_forward = subparsers.add_parser(
        "create-url-forward", help="Create a new URL forward."
    )
    parser_add_url_forward.set_defaults(func=PKBClient.create_url_forward)
    parser_add_url_forward.add_argument(
        "domain", help="The domain for which the new URL forward should be created."
    )
    parser_add_url_forward.add_argument(
        "location",
        help="The location to which the url forwarding should redirect.",
    )
    parser_add_url_forward.add_argument(
        "type", help="The type of the url forwarding.", choices=list(URLForwardingType)
    )
    parser_add_url_forward.add_argument(
        "--subdomain",
        help="The subdomain for which the url forwarding should be added.",
        required=False,
        default="",
    )
    parser_add_url_forward.add_argument(
        "--include-path",
        help="Whether the path should be included in the url forwarding.",
        action="store_true",
        default=False,
    )
    parser_add_url_forward.add_argument(
        "--wildcard",
        help="Whether the url forwarding should be also applied to subdomains.",
        action="store_true",
        default=False,
    )

    parser_delete_url_forward = subparsers.add_parser(
        "delete-url-forward", help="Delete an existing URL forward."
    )
    parser_delete_url_forward.set_defaults(func=PKBClient.delete_url_forward)
    parser_delete_url_forward.add_argument(
        "domain", help="The domain for which the URL forward should be deleted."
    )
    parser_delete_url_forward.add_argument(
        "id", help="The id of the URL forward which should be deleted."
    )

    args = vars(parser.parse_args())

    debug = args.pop("debug", False)

    func = args.pop("func", None)
    if not func:
        raise argparse.ArgumentError(
            None, "No method specified. Please provide a method and try again."
        )

    endpoint = args.pop("endpoint")
    api_key = args.pop("key")
    api_secret = args.pop("secret")

    # call the api methods which do not require authentication
    if func == PKBClient.get_domain_pricing:
        pkb_client = PKBClient(api_endpoint=endpoint, debug=debug)
        ret = func(pkb_client, **args)

        print(json.dumps(ret, cls=CustomJSONEncoder, indent=4))
        exit(0)

    if api_key is None:
        # try to get the api key from the environment variable or fallback to user input
        api_key = os.environ.get("PKB_API_KEY", "")
        if len(api_key.strip()) == 0:
            while True:
                api_key = input(
                    'Please enter your API key you got from Porkbun (usually starts with "pk"): '
                )
                if len(api_key.strip()) == 0:
                    print("The api key can not be empty.")
                else:
                    break

    if api_secret is None:
        # try to get the api secret from the environment variable or fallback to user input
        api_secret = os.environ.get("PKB_API_SECRET", "")
        if len(api_secret.strip()) == 0:
            while True:
                api_secret = input(
                    'Please enter your API key secret you got from Porkbun (usually starts with "sk"): '
                )
                if len(api_secret.strip()) == 0:
                    print("The api key secret can not be empty.")
                else:
                    break

    pkb_client = PKBClient(
        api_key=api_key, secret_api_key=api_secret, api_endpoint=endpoint, debug=debug
    )

    ret = func(pkb_client, **args)

    print(json.dumps(ret, cls=CustomJSONEncoder, indent=4))


if __name__ == "__main__":
    main()