import os
import sys
import time
from pathlib import Path
from typing import Optional

import questionary
import requests
import typer
from fief_client import Fief
from fief_client.integrations.cli import FiefAuth
from rich import print
from rich.prompt import Confirm
from typing_extensions import Annotated

from codecarbon import __app_name__, __version__
from codecarbon.cli.cli_utils import (
    create_new_config_file,
    get_api_endpoint,
    get_config,
    get_existing_local_exp_id,
    overwrite_local_config,
)
from codecarbon.core.api_client import ApiClient, get_datetime_with_timezone
from codecarbon.core.schemas import ExperimentCreate, OrganizationCreate, ProjectCreate
from codecarbon.emissions_tracker import EmissionsTracker

AUTH_CLIENT_ID = os.environ.get(
    "AUTH_CLIENT_ID",
    "jsUPWIcUECQFE_ouanUuVhXx52TTjEVcVNNtNGeyAtU",
)
AUTH_SERVER_URL = os.environ.get(
    "AUTH_SERVER_URL", "https://auth.codecarbon.io/codecarbon"
)
API_URL = os.environ.get("API_URL", "https://dashboard.codecarbon.io/api")

DEFAULT_PROJECT_ID = "e60afa92-17b7-4720-91a0-1ae91e409ba1"
DEFAULT_ORGANIzATION_ID = "e60afa92-17b7-4720-91a0-1ae91e409ba1"

codecarbon = typer.Typer(no_args_is_help=True)


def _version_callback(value: bool) -> None:
    if value:
        print(f"{__app_name__} v{__version__}")
        raise typer.Exit()


@codecarbon.callback()
def main(
    version: Optional[bool] = typer.Option(
        None,
        "--version",
        "-v",
        help="Show the application's version and exit.",
        callback=_version_callback,
        is_eager=True,
    ),
) -> None:
    return


def show_config(path: Path = Path("./.codecarbon.config")) -> None:
    d = get_config(path)
    api_endpoint = get_api_endpoint(path)
    api = ApiClient(endpoint_url=api_endpoint)
    api.set_access_token(_get_access_token())
    print("Current configuration : \n")
    print("Config file content : ")
    print(d)
    try:
        if "organization_id" not in d:
            print(
                "No organization_id in config, follow setup instruction to complete your configuration file!",
            )
        else:
            org = api.get_organization(d["organization_id"])

            if "project_id" not in d:
                print(
                    "No project_id in config, follow setup instruction to complete your configuration file!",
                )
            else:
                project = api.get_project(d["project_id"])
                if "experiment_id" not in d:
                    print(
                        "No experiment_id in config, follow setup instruction to complete your configuration file!",
                    )
                else:
                    experiment = api.get_experiment(d["experiment_id"])
                    print("\nExperiment :")
                    print(experiment)
                    print("\nProject :")
                    print(project)
                    print("\nOrganization :")
                    print(org)
    except Exception as e:
        raise ValueError(
            f"Your configuration is invalid, please verify your configuration file at {path}. To start from scratch, run `codecarbon config` and overwrite your configuration file. (error: {e})"
        )


def get_fief_auth():
    fief = Fief(AUTH_SERVER_URL, AUTH_CLIENT_ID)
    fief_auth = FiefAuth(fief, "./credentials.json")
    return fief_auth


def _get_access_token():
    try:
        access_token_info = get_fief_auth().access_token_info()
        access_token = access_token_info["access_token"]
        return access_token
    except Exception as e:
        raise ValueError(
            f"Not able to retrieve the access token, please run `codecarbon login` first! (error: {e})"
        )


def _get_id_token():
    id_token = get_fief_auth()._tokens["id_token"]
    return id_token


@codecarbon.command(
    "test-api", short_help="Make an authenticated GET request to an API endpoint"
)
def api_get():
    """
    ex: test-api
    """
    api = ApiClient(endpoint_url=API_URL)  # TODO: get endpoint from config
    api.set_access_token(_get_access_token())
    organizations = api.get_list_organizations()
    print(organizations)


@codecarbon.command("login", short_help="Login to CodeCarbon")
def login():
    get_fief_auth().authorize()
    api = ApiClient(endpoint_url=API_URL)  # TODO: get endpoint from config
    id_token = _get_id_token()
    api.set_access_token(id_token)
    api.check_auth()


def get_api_key(project_id: str):
    req = requests.post(
        f"{API_URL}/projects/{project_id}/api-tokens",
        json={
            "project_id": project_id,
            "name": "api token",
            "x_token": "???",
        },
        headers={"Authorization": f"Bearer {_get_access_token()}"},
    )
    api_key = req.json()["token"]
    return api_key


@codecarbon.command("get-token", short_help="Get project token")
def get_token(project_id: str):
    # api = ApiClient(endpoint_url=API_URL) # TODO: get endpoint from config
    # api.set_access_token(_get_access_token())
    token = get_api_key(project_id)
    print("Your token: " + token)
    print("Add it to the api_key field in your configuration file")


@codecarbon.command("config", short_help="Generate or show config")
def config():
    """
    Initialize CodeCarbon, this will prompt you for configuration of Organisation/Team/Project/Experiment.
    """

    print("Welcome to CodeCarbon configuration wizard")
    home = Path.home()
    global_path = (home / ".codecarbon.config").expanduser().resolve()

    if global_path.exists():
        print("Existing global config file found :")
        show_config(global_path)

        use_config = questionary_prompt(
            "Use existing global ~/.codecarbon.config to configure or create a new file somewhere else ?",
            ["~/.codecarbon.config", "Create New Config"],
            default="~/.codecarbon.config",
        )

        if use_config == "~/.codecarbon.config":
            modify = Confirm.ask("Do you want to modify the existing config file ?")
            if modify:
                print(f"Modifying existing config file {global_path}:")
                file_path = global_path
            else:
                print(f"Using already existing global config file {global_path}")

                return
        else:
            file_path = create_new_config_file()
    else:
        file_path = create_new_config_file()

    api_endpoint = get_api_endpoint(file_path)
    api_endpoint = typer.prompt(
        f"Current API endpoint is {api_endpoint}. Press enter to continue or input other url",
        type=str,
        default=api_endpoint,
    )
    overwrite_local_config("api_endpoint", api_endpoint, path=file_path)
    api = ApiClient(endpoint_url=api_endpoint)
    api.set_access_token(_get_access_token())
    organizations = api.get_list_organizations()
    org = questionary_prompt(
        "Pick existing organization from list or Create new organization ?",
        [org["name"] for org in organizations] + ["Create New Organization"],
        default="Create New Organization",
    )

    if org == "Create New Organization":
        org_name = typer.prompt("Organization name", default="Code Carbon user test")
        org_description = typer.prompt(
            "Organization description", default="Code Carbon user test"
        )

        organization_create = OrganizationCreate(
            name=org_name,
            description=org_description,
        )
        organization = api.create_organization(organization=organization_create)
        if organization is None:
            print("Error creating organization")
            return
        print(f"Created organization : {organization}")
    else:
        organization = [orga for orga in organizations if orga["name"] == org][0]
    org_id = organization["id"]
    overwrite_local_config("organization_id", org_id, path=file_path)

    projects = api.list_projects_from_organization(org_id)
    project_names = [project["name"] for project in projects] if projects else []
    project = questionary_prompt(
        "Pick existing project from list or Create new project ?",
        project_names + ["Create New Project"],
        default="Create New Project",
    )
    if project == "Create New Project":
        project_name = typer.prompt("Project name", default="Code Carbon user test")
        project_description = typer.prompt(
            "Project description", default="Code Carbon user test"
        )
        project_create = ProjectCreate(
            name=project_name,
            description=project_description,
            organization_id=org_id,
        )
        project = api.create_project(project=project_create)
        print(f"Created project : {project}")
    else:
        project = [p for p in projects if p["name"] == project][0]
    project_id = project["id"]
    overwrite_local_config("project_id", project_id, path=file_path)

    experiments = api.list_experiments_from_project(project_id)
    experiments_names = (
        [experiment["name"] for experiment in experiments] if experiments else []
    )

    experiment = questionary_prompt(
        "Pick existing experiment from list or Create new experiment ?",
        experiments_names + ["Create New Experiment"],
        default="Create New Experiment",
    )
    if experiment == "Create New Experiment":
        print("Creating new experiment")
        exp_name = typer.prompt("Experiment name :", default="Code Carbon user test")
        exp_description = typer.prompt(
            "Experiment description :",
            default="Code Carbon user test ",
        )

        exp_on_cloud = Confirm.ask("Is this experiment running on the cloud ?")
        if exp_on_cloud is True:
            cloud_provider = typer.prompt(
                "Cloud provider (AWS, GCP, Azure, ...)", default="AWS"
            )
            cloud_region = typer.prompt(
                "Cloud region (eu-west-1, us-east-1, ...)", default="eu-west-1"
            )
        else:
            cloud_provider = None
            cloud_region = None
        country_name = typer.prompt("Country name :", default="Auto")
        country_iso_code = typer.prompt("Country ISO code :", default="Auto")
        region = typer.prompt("Region :", default="Auto")
        if country_name == "Auto":
            country_name = None
        if country_iso_code == "Auto":
            country_iso_code = None
        if region == "Auto":
            region = None
        experiment_create = ExperimentCreate(
            timestamp=get_datetime_with_timezone(),
            name=exp_name,
            description=exp_description,
            on_cloud=exp_on_cloud,
            project_id=project["id"],
            country_name=country_name,
            country_iso_code=country_iso_code,
            region=region,
            cloud_provider=cloud_provider,
            cloud_region=cloud_region,
        )
        experiment = api.add_experiment(experiment=experiment_create)

    else:
        experiment = [e for e in experiments if e["name"] == experiment][0]

    overwrite_local_config("experiment_id", experiment["id"], path=file_path)
    api_key = get_api_key(project_id)
    overwrite_local_config("api_key", api_key, path=file_path)
    show_config(file_path)
    print(
        "Consult [link=https://mlco2.github.io/codecarbon/usage.html#configuration]configuration documentation[/link] for more configuration options"
    )


@codecarbon.command("monitor", short_help="Monitor your machine's carbon emissions.")
def monitor(
    measure_power_secs: Annotated[
        int, typer.Argument(help="Interval between two measures.")
    ] = 10,
    api_call_interval: Annotated[
        int, typer.Argument(help="Number of measures between API calls.")
    ] = 30,
    api: Annotated[
        bool, typer.Option(help="Choose to call Code Carbon API or not")
    ] = True,
):
    """Monitor your machine's carbon emissions.

    Args:
        measure_power_secs (Annotated[int, typer.Argument, optional): Interval between two measures. Defaults to 10.
        api_call_interval (Annotated[int, typer.Argument, optional): Number of measures before calling API. Defaults to 30.
        api (Annotated[bool, typer.Option, optional): Choose to call Code Carbon API or not. Defaults to True.
    """
    experiment_id = get_existing_local_exp_id()
    if api:
        if experiment_id is None:
            print(
                "ERROR: No experiment id, call 'codecarbon config' first.",
                file=sys.stderr,
            )
    print("CodeCarbon is going in an infinite loop to monitor this machine.")
    with EmissionsTracker(
        measure_power_secs=measure_power_secs,
        api_call_interval=api_call_interval,
        save_to_api=api,
    ) as tracker:
        # Infinite loop
        while True:
            if (
                hasattr(tracker, "_another_instance_already_running")
                and tracker._another_instance_already_running
            ):
                print("Another instance of CodeCarbon is already running. Exiting.")
                break
            time.sleep(300)


def questionary_prompt(prompt, list_options, default):
    value = questionary.select(
        prompt,
        list_options,
        default,
    ).ask()
    return value


if __name__ == "__main__":
    codecarbon()