#!/usr/bin/env python
# -*- coding: utf-8 -*-
import argparse
import json
import sys
import time
import os
from http import HTTPStatus

import dashscope
from dashscope.aigc import Generation
from dashscope.common.constants import (
    DeploymentStatus,
    FilePurpose,
    TaskStatus,
)
from dashscope.utils.oss_utils import OssUtils


def print_failed_message(rsp):
    print(
        f"Failed, request_id: {rsp.request_id}, status_code: "
        f"{rsp.status_code}, code: {rsp.code}, message: {rsp.message}",
    )


def text_generation(args):
    response = Generation.call(args.model, args.prompt, stream=args.stream)
    if args.stream:
        for rsp in response:
            if rsp.status_code == HTTPStatus.OK:
                print(rsp.output)
                print(rsp.usage)
            else:
                print_failed_message(rsp)
    else:
        if response.status_code == HTTPStatus.OK:
            print(response.output)
            print(response.usage)
        else:
            print_failed_message(response)


class FineTunes:
    @classmethod
    def call(cls, args):
        params = {}
        if args.n_epochs is not None:
            params["n_epochs"] = args.n_epochs
        if args.batch_size is not None:
            params["batch_size"] = args.batch_size
        if args.learning_rate is not None:
            params["learning_rate"] = args.learning_rate
        if args.prompt_loss is not None:
            params["prompt_loss"] = args.prompt_loss
        if args.params:
            params.update(args.params)

        rsp = dashscope.FineTunes.call(
            model=args.model,
            training_file_ids=args.training_file_ids,
            validation_file_ids=args.validation_file_ids,
            mode=args.mode,
            hyper_parameters=params,
        )
        if rsp.status_code == HTTPStatus.OK:
            print(
                f"Create fine-tune job success, job_id: "
                f"{rsp.output['job_id']}",
            )
            cls.wait(rsp.output["job_id"])
        else:
            print_failed_message(rsp)

    @classmethod
    def wait(cls, job_id):
        try:
            while True:
                rsp = dashscope.FineTunes.get(job_id)
                if rsp.status_code == HTTPStatus.OK:
                    if rsp.output["status"] == TaskStatus.FAILED:
                        print("Fine-tune FAILED!")
                        break
                    if (  # pylint: disable=no-else-break
                        rsp.output["status"] == TaskStatus.CANCELED
                    ):
                        print("Fine-tune task CANCELED")
                        break
                    if rsp.output["status"] == TaskStatus.RUNNING:
                        print(
                            "Fine-tuning is RUNNING, start get output stream.",
                        )
                        cls.stream_events(job_id)
                    elif rsp.output["status"] == TaskStatus.SUCCEEDED:
                        print(
                            f"Fine-tune task success, fine-tuned model:"
                            f"{rsp.output['finetuned_output']}",
                        )
                        break
                    else:
                        print(
                            f"The fine-tune task is: {rsp.output['status']}",
                        )
                        time.sleep(30)
                else:
                    print_failed_message(rsp)
        except Exception:
            print(
                f"You can stream output via: dashscope fine_tunes.stream -j "
                f"{job_id}",
            )

    @classmethod
    def get(cls, args):
        rsp = dashscope.FineTunes.get(args.job)
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output["status"] == TaskStatus.FAILED:
                print("Fine-tune failed!")
            elif rsp.output["status"] == TaskStatus.CANCELED:
                print("Fine-tune task canceled")
            elif rsp.output["status"] == TaskStatus.SUCCEEDED:
                print(
                    f"Fine-tune task success, fine-tuned model : "
                    f"{rsp.output['finetuned_output']}",
                )
            else:
                print(f"The fine-tune task is: {rsp.output['status']}")
        else:
            print_failed_message(rsp)

    @classmethod
    def list(cls, args):
        rsp = dashscope.FineTunes.list(
            page=args.start_page,
            page_size=args.page_size,
        )
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output is not None:
                for job in rsp.output["jobs"]:
                    if job["status"] == TaskStatus.SUCCEEDED:
                        print(
                            f"job: {job['job_id']}, status: {job['status']}, "
                            f"base model: {job['model']}, "
                            f"fine-tuned model: {job['finetuned_output']}",
                        )
                    else:
                        print(
                            f"job: {job['job_id']}, status: {job['status']}, "
                            f"base model: {job['model']}",
                        )
            else:
                print("There is no fine-tuned model.")
        else:
            print_failed_message(rsp)

    @classmethod
    def stream_events(cls, job_id):
        # check job status if job is completed, get log.
        rsp = dashscope.FineTunes.get(job_id)
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output["status"] in [
                TaskStatus.FAILED,
                TaskStatus.CANCELED,
                TaskStatus.SUCCEEDED,
            ]:
                print(
                    f"Fine-tune job: {job_id} is {rsp.output['status']}",
                )
                cls.log(job_id)
                return
        else:
            print_failed_message(rsp)
            return
        # start streaming events.
        try:
            stream_events = dashscope.FineTunes.stream_events(job_id)
            for rsp in stream_events:
                if rsp.status_code == HTTPStatus.OK:
                    print(rsp.output)
                else:
                    print_failed_message(rsp)
        except Exception:
            print(
                f"You can stream output via: dashscope fine-tunes.stream -j "
                f"{job_id}",
            )

    @classmethod
    def events(cls, args):
        cls.stream_events(args.job)

    @classmethod
    def log(cls, job_id):
        start = 1
        n_line = 1000  # 1000 line per request
        while True:
            rsp = dashscope.FineTunes.logs(job_id, offset=start, line=n_line)
            if rsp.status_code == HTTPStatus.OK:
                for line in rsp.output["logs"]:
                    print(line)
                if rsp.output["total"] < n_line:
                    break
                start += n_line  # pylint: disable=no-else-break
            else:
                print_failed_message(rsp)

    @classmethod
    def cancel(cls, args):
        rsp = dashscope.FineTunes.cancel(args.job)
        if rsp.status_code == HTTPStatus.OK:
            print("Cancel fine-tune job: %s success!")
        else:
            print_failed_message(rsp)

    @classmethod
    def delete(cls, args):
        rsp = dashscope.FineTunes.delete(args.job)
        if rsp.status_code == HTTPStatus.OK:
            print(f"fine_tune job: {args.job} delete success")
        else:
            print_failed_message(rsp)


class Oss:
    @classmethod
    def upload(cls, args):
        print(
            f"Start oss.upload: model={args.model}, file={args.file}",
        )
        if not args.file or not args.model:
            print("Please specify the model and file path")
            return

        file_path = os.path.expanduser(args.file)
        if not os.path.exists(file_path):
            print(f"File {file_path} does not exist")
            return

        api_key = os.environ.get("DASHSCOPE_API_KEY", args.api_key)
        if not api_key:
            print(
                "Please set your DashScope API key as environment variable "
                "DASHSCOPE_API_KEY or pass it as argument by -k/--api_key",
            )
            return

        oss_url, _ = OssUtils.upload(
            model=args.model,
            file_path=file_path,
            api_key=api_key,
            base_address=args.base_url,
        )

        if not oss_url:
            print(f"Failed to upload file: {file_path}")
            return

        print(f"Uploaded oss url: {oss_url}")


class Files:
    @classmethod
    def upload(cls, args):
        rsp = dashscope.Files.upload(
            file_path=args.file,
            purpose=args.purpose,
            description=args.description,
            base_address=args.base_url,
        )
        print(rsp)
        if rsp.status_code == HTTPStatus.OK:
            print(
                f"Upload success, file id: "
                f"{rsp.output['uploaded_files'][0]['file_id']}",
            )
        else:
            print_failed_message(rsp)

    @classmethod
    def get(cls, args):
        rsp = dashscope.Files.get(file_id=args.id, base_address=args.base_url)
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output:
                print(
                    f"file info:\n"
                    f"{json.dumps(rsp.output, ensure_ascii=False, indent=4)}",
                )
            else:
                print("There is no uploaded file.")
        else:
            print_failed_message(rsp)

    @classmethod
    def list(cls, args):
        rsp = dashscope.Files.list(
            page=args.start_page,
            page_size=args.page_size,
            base_address=args.base_url,
        )
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output:
                print(
                    f"file list info:\n"
                    f"{json.dumps(rsp.output, ensure_ascii=False, indent=4)}",
                )
            else:
                print("There is no uploaded files.")
        else:
            print_failed_message(rsp)

    @classmethod
    def delete(cls, args):
        rsp = dashscope.Files.delete(args.id, base_address=args.base_url)
        if rsp.status_code == HTTPStatus.OK:
            print("Delete success")
        else:
            print_failed_message(rsp)


class Deployments:
    @classmethod
    def call(cls, args):
        rsp = dashscope.Deployments.call(
            model=args.model,
            capacity=args.capacity,
            suffix=args.suffix,
        )
        if rsp.status_code == HTTPStatus.OK:
            deployed_model = rsp.output["deployed_model"]
            print(f"Create model: {deployed_model} deployment")
            try:
                while True:  # wait for deployment ok.
                    status = dashscope.Deployments.get(deployed_model)
                    if status.status_code == HTTPStatus.OK:
                        if status.output["status"] in [
                            DeploymentStatus.PENDING,
                            DeploymentStatus.DEPLOYING,
                        ]:
                            time.sleep(30)
                            print(
                                f"Deployment {deployed_model} is "
                                f"{status.output['status']}",
                            )
                        else:
                            print(
                                f"Deployment: {deployed_model} status: "
                                f"{status.output['status']}",
                            )
                            break

                    else:
                        print_failed_message(rsp)
            except Exception:
                print(
                    f"You can get deployment status via: "
                    f"dashscope deployments.get -d {deployed_model}",
                )
        else:
            print_failed_message(rsp)

    @classmethod
    def get(cls, args):
        rsp = dashscope.Deployments.get(args.deploy)
        if rsp.status_code == HTTPStatus.OK:
            print(
                f"Deployed model: {rsp.output['deployed_model']} "
                f"capacity: {rsp.output['capacity']} "
                f"status: {rsp.output['status']}",
            )
        else:
            print_failed_message(rsp)

    @classmethod
    def list(cls, args):
        rsp = dashscope.Deployments.list(
            page_no=args.start_page,
            page_size=args.page_size,
        )
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output is not None:
                if (
                    "deployments" not in rsp.output
                    or len(
                        rsp.output["deployments"],
                    )
                    == 0
                ):
                    print("There is no deployed model!")
                    return
                for deployment in rsp.output["deployments"]:
                    print(
                        f"Deployed_model: {deployment['deployed_model']}, "
                        f"model: {deployment['model_name']}, "
                        f"status: {deployment['status']}",
                    )
            else:
                print("There is no deployed model.")
        else:
            print_failed_message(rsp)

    @classmethod
    def update(cls, args):
        rsp = dashscope.Deployments.update(args.deployed_model, args.version)
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output is not None:
                if "deployments" not in rsp.output:
                    print("There is no deployed model!")
                    return
                for deployment in rsp.output["deployments"]:
                    print(
                        f"Deployed_model: {deployment['deployed_model']}, "
                        f"model: {deployment['model_name']}, "
                        f"status: {deployment['status']}",
                    )
            else:
                print("There is no deployed model.")
        else:
            print_failed_message(rsp)

    @classmethod
    def scale(cls, args):
        rsp = dashscope.Deployments.scale(args.deployed_model, args.capacity)
        if rsp.status_code == HTTPStatus.OK:
            if rsp.output is not None:
                print(
                    f"Deployed_model: {rsp.output['deployed_model']}, "
                    f"model: {rsp.output['model_name']}, "
                    f"status: {rsp.output['status']}",
                )
            else:
                print("There is no deployed model.")
        else:
            print_failed_message(rsp)

    @classmethod
    def delete(cls, args):
        rsp = dashscope.Deployments.delete(args.deploy)
        if rsp.status_code == HTTPStatus.OK:
            print(f"Deployed model: {args.deploy} delete success")
        else:
            print_failed_message(rsp)


# from: https://gist.github.com/vadimkantorov/37518ff88808af840884355c845049ea
class ParseKVAction(argparse.Action):
    def __call__(self, parser, namespace, values, option_string=None):
        # pylint: disable=use-dict-literal
        setattr(
            namespace,
            self.dest,
            dict(),
        )
        for each in values:
            try:
                key, value = each.split("=")
                getattr(namespace, self.dest)[key] = value
            except ValueError as ex:
                message = f"\nTraceback: {ex}"
                message += f"\nError on '{each}' || It should be 'key=value'"
                raise argparse.ArgumentError(self, str(message))


# pylint: disable=too-many-statements
def main():
    parser = argparse.ArgumentParser(
        prog="dashscope",
        description="dashscope command line tools.",
    )
    parser.add_argument("-k", "--api-key", help="Dashscope API key.")
    sub_parsers = parser.add_subparsers(help="Api subcommands")
    text_generation_parser = sub_parsers.add_parser("generation.call")
    text_generation_parser.add_argument(
        "-p",
        "--prompt",
        type=str,
        required=True,
        help="Input prompt",
    )
    text_generation_parser.add_argument(
        "-m",
        "--model",
        type=str,
        required=True,
        help="The model to call.",
    )
    text_generation_parser.add_argument(
        "--history",
        type=str,
        required=False,
        help="The history of the request.",
    )
    text_generation_parser.add_argument(
        "-s",
        "--stream",
        default=False,
        action="store_true",
        help="Use stream mode default false.",
    )
    text_generation_parser.set_defaults(func=text_generation)
    fine_tune_call = sub_parsers.add_parser("fine_tunes.call")
    fine_tune_call.add_argument(
        "-t",
        "--training_file_ids",
        required=True,
        nargs="+",
        help="Training file ids which upload by File command.",
    )
    fine_tune_call.add_argument(
        "-v",
        "--validation_file_ids",
        required=False,
        nargs="+",
        default=[],
        help="Validation file ids which upload by File command.",
    )
    fine_tune_call.add_argument(
        "-m",
        "--model",
        type=str,
        required=True,
        help="The based model to start fine-tune.",
    )
    fine_tune_call.add_argument(
        "--mode",
        type=str,
        required=False,
        choices=["sft", "efficient_sft"],
        help="Select fine-tune mode sft or efficient_sft",
    )
    fine_tune_call.add_argument(
        "-e",
        "--n_epochs",
        type=int,
        required=False,
        help="How many epochs to fine-tune.",
    )
    fine_tune_call.add_argument(
        "-b",
        "--batch_size",
        type=int,
        required=False,
        help="How big is batch_size.",
    )
    fine_tune_call.add_argument(
        "-l",
        "--learning_rate",
        type=float,
        required=False,
        help="The fine-tune learning rate.",
    )
    fine_tune_call.add_argument(
        "-p",
        "--prompt_loss",
        type=float,
        required=False,
        help="The fine-tune prompt loss.",
    )
    fine_tune_call.add_argument(
        "--hyper_parameters",
        nargs="+",
        dest="params",
        action=ParseKVAction,
        help="Extra hyper parameters accepts by key1=value1 key2=value2",
        metavar="KEY1=VALUE1",
    )
    fine_tune_call.set_defaults(func=FineTunes.call)
    fine_tune_get = sub_parsers.add_parser("fine_tunes.get")
    fine_tune_get.add_argument(
        "-j",
        "--job",
        type=str,
        required=True,
        help="The fine-tune job id.",
    )
    fine_tune_get.set_defaults(func=FineTunes.get)
    fine_tune_delete = sub_parsers.add_parser("fine_tunes.delete")
    fine_tune_delete.add_argument(
        "-j",
        "--job",
        type=str,
        required=True,
        help="The fine-tune job id.",
    )
    fine_tune_delete.set_defaults(func=FineTunes.delete)
    fine_tune_stream = sub_parsers.add_parser("fine_tunes.stream")
    fine_tune_stream.add_argument(
        "-j",
        "--job",
        type=str,
        required=True,
        help="The fine-tune job id.",
    )
    fine_tune_stream.set_defaults(func=FineTunes.events)
    fine_tune_list = sub_parsers.add_parser("fine_tunes.list")
    fine_tune_list.add_argument(
        "-s",
        "--start_page",
        type=int,
        default=1,
        help="Start of page, default 1",
    )
    fine_tune_list.add_argument(
        "-p",
        "--page_size",
        type=int,
        default=10,
        help="The page size, default 10",
    )
    fine_tune_list.set_defaults(func=FineTunes.list)
    fine_tune_cancel = sub_parsers.add_parser("fine_tunes.cancel")
    fine_tune_cancel.add_argument(
        "-j",
        "--job",
        type=str,
        required=True,
        help="The fine-tune job id.",
    )
    fine_tune_cancel.set_defaults(func=FineTunes.cancel)

    oss_upload = sub_parsers.add_parser("oss.upload")
    oss_upload.add_argument(
        "-f",
        "--file",
        type=str,
        required=True,
        help="The file path to upload",
    )
    oss_upload.add_argument(
        "-m",
        "--model",
        type=str,
        required=True,
        help="The model name",
    )
    oss_upload.add_argument(
        "-k",
        "--api_key",
        type=str,
        required=False,
        help="The dashscope api key",
    )
    oss_upload.add_argument(
        "-u",
        "--base_url",
        type=str,
        help="The base url.",
        required=False,
    )
    oss_upload.set_defaults(func=Oss.upload)

    file_upload = sub_parsers.add_parser("files.upload")
    file_upload.add_argument(
        "-f",
        "--file",
        type=str,
        required=True,
        help="The file path to upload",
    )
    file_upload.add_argument(
        "-p",
        "--purpose",
        default=FilePurpose.fine_tune,
        const=FilePurpose.fine_tune,
        nargs="?",
        help="Purpose to upload file[fine-tune]",
        required=True,
    )
    file_upload.add_argument(
        "-d",
        "--description",
        type=str,
        help="The file description.",
        required=False,
    )
    file_upload.add_argument(
        "-u",
        "--base_url",
        type=str,
        help="The base url.",
        required=False,
    )
    file_upload.set_defaults(func=Files.upload)

    file_get = sub_parsers.add_parser("files.get")
    file_get.add_argument(
        "-i",
        "--id",
        type=str,
        required=True,
        help="The file ID",
    )
    file_get.add_argument(
        "-u",
        "--base_url",
        type=str,
        help="The base url.",
        required=False,
    )
    file_get.set_defaults(func=Files.get)

    file_delete = sub_parsers.add_parser("files.delete")
    file_delete.add_argument(
        "-i",
        "--id",
        type=str,
        required=True,
        help="The files ID",
    )
    file_delete.add_argument(
        "-u",
        "--base_url",
        type=str,
        help="The base url.",
        required=False,
    )
    file_delete.set_defaults(func=Files.delete)

    file_list = sub_parsers.add_parser("files.list")
    file_list.add_argument(
        "-s",
        "--start_page",
        type=int,
        default=1,
        help="Start of page, default 1",
    )
    file_list.add_argument(
        "-p",
        "--page_size",
        type=int,
        default=10,
        help="The page size, default 10",
    )
    file_list.add_argument(
        "-u",
        "--base_url",
        type=str,
        help="The base url.",
        required=False,
    )
    file_list.set_defaults(func=Files.list)

    deployments_call = sub_parsers.add_parser("deployments.call")
    deployments_call.add_argument(
        "-m",
        "--model",
        required=True,
        help="The model ID",
    )
    deployments_call.add_argument(
        "-s",
        "--suffix",
        required=False,
        help=(
            "The suffix of the deployment, \
            lower cased characters 8 chars max."
        ),
    )
    deployments_call.add_argument(
        "-c",
        "--capacity",
        type=int,
        required=False,
        default=1,
        help="The target capacity",
    )
    deployments_call.set_defaults(func=Deployments.call)

    deployments_get = sub_parsers.add_parser("deployments.get")
    deployments_get.add_argument(
        "-d",
        "--deploy",
        required=True,
        help="The deployed model.",
    )
    deployments_get.set_defaults(func=Deployments.get)
    deployments_delete = sub_parsers.add_parser("deployments.delete")
    deployments_delete.add_argument(
        "-d",
        "--deploy",
        required=True,
        help="The deployed model.",
    )
    deployments_delete.set_defaults(func=Deployments.delete)
    deployments_list = sub_parsers.add_parser("deployments.list")
    deployments_list.add_argument(
        "-s",
        "--start_page",
        type=int,
        default=1,
        help="Start of page, default 1",
    )
    deployments_list.add_argument(
        "-p",
        "--page_size",
        type=int,
        default=10,
        help="The page size, default 10",
    )
    deployments_list.set_defaults(func=Deployments.list)
    deployments_scale = sub_parsers.add_parser("deployments.scale")
    deployments_scale.add_argument(
        "-d",
        "--deployed_model",
        type=str,
        required=True,
        help="The deployed model to scale",
    )
    deployments_scale.add_argument(
        "-c",
        "--capacity",
        type=int,
        required=True,
        help="The target capacity",
    )
    deployments_scale.set_defaults(func=Deployments.scale)

    args = parser.parse_args()
    if args.api_key is not None:
        dashscope.api_key = args.api_key
    args.func(args)


if __name__ == "__main__":
    sys.exit(main())