# Copyright 2021-2024 Avaiga Private Limited
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
# an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.

import os
import shutil
import uuid
from datetime import datetime, timedelta
from queue import Queue

import pandas as pd
import pytest
from dotenv import load_dotenv

from taipy.common.config import Config
from taipy.common.config.common.frequency import Frequency
from taipy.common.config.common.scope import Scope
from taipy.core import Cycle, DataNodeId, Job, JobId, Scenario, Sequence, Task
from taipy.core._orchestrator._orchestrator_factory import _OrchestratorFactory
from taipy.core.cycle._cycle_manager import _CycleManager
from taipy.core.data.pickle import PickleDataNode
from taipy.core.job._job_manager import _JobManager
from taipy.core.task._task_manager import _TaskManager
from taipy.rest.app import create_app

from .setup.shared.algorithms import evaluate, forecast


@pytest.fixture
def setup_end_to_end():
    model_cfg = Config.configure_data_node("model", path="setup/my_model.p", storage_type="pickle")

    day_cfg = Config.configure_data_node(id="day")
    forecasts_cfg = Config.configure_data_node(id="forecasts")
    forecast_task_cfg = Config.configure_task(
        id="forecast_task",
        input=[model_cfg, day_cfg],
        function=forecast,
        output=forecasts_cfg,
    )

    historical_temperature_cfg = Config.configure_data_node(
        "historical_temperature",
        storage_type="csv",
        path="setup/historical_temperature.csv",
        has_header=True,
    )
    evaluation_cfg = Config.configure_data_node("evaluation")
    evaluate_task_cfg = Config.configure_task(
        "evaluate_task",
        input=[historical_temperature_cfg, forecasts_cfg, day_cfg],
        function=evaluate,
        output=evaluation_cfg,
    )

    scenario_config = Config.configure_scenario(
        "scenario", [forecast_task_cfg, evaluate_task_cfg], frequency=Frequency.DAILY
    )
    scenario_config.add_sequences({"sequence": [forecast_task_cfg, evaluate_task_cfg]})


@pytest.fixture()
def app():
    load_dotenv(".testenv")
    app = create_app(testing=True)
    app.config.update(
        {
            "TESTING": True,
        }
    )
    with app.app_context(), app.test_request_context():
        yield app


@pytest.fixture()
def client(app):
    return app.test_client()


@pytest.fixture
def datanode_data():
    return {
        "name": "foo",
        "storage_type": "in_memory",
        "scope": "scenario",
        "default_data": ["1991-01-01T00:00:00"],
    }


@pytest.fixture
def task_data():
    return {
        "config_id": "foo",
        "input_ids": ["DATASOURCE_foo_3b888e17-1974-4a56-a42c-c7c96bc9cd54"],
        "function_name": "print",
        "function_module": "builtins",
        "output_ids": ["DATASOURCE_foo_4d9923b8-eb9f-4f3c-8055-3a1ce8bee309"],
    }


@pytest.fixture
def sequence_data():
    return {
        "name": "foo",
        "task_ids": ["TASK_foo_3b888e17-1974-4a56-a42c-c7c96bc9cd54"],
    }


@pytest.fixture
def scenario_data():
    return {
        "name": "foo",
        "sequence_ids": ["SEQUENCE_foo_3b888e17-1974-4a56-a42c-c7c96bc9cd54"],
        "properties": {},
    }


@pytest.fixture
def default_datanode():
    return PickleDataNode(
        "input_ds",
        Scope.SCENARIO,
        DataNodeId("f"),
        "owner_id",
        None,
        properties={"default_data": [1, 2, 3, 4, 5, 6]},
    )


@pytest.fixture
def default_df_datanode():
    return PickleDataNode(
        "input_ds",
        Scope.SCENARIO,
        DataNodeId("id_uio2"),
        "owner_id",
        None,
        properties={"default_data": pd.DataFrame([{"a": 1, "b": 2}, {"a": 3, "b": 4}, {"a": 5, "b": 6}])},
    )


@pytest.fixture
def default_datanode_config():
    return Config.configure_data_node(f"taipy_{uuid.uuid4().hex}", "in_memory", Scope.SCENARIO)


@pytest.fixture
def default_datanode_config_list():
    configs = []
    for i in range(10):
        configs.append(Config.configure_data_node(id=f"ds_{i}", storage_type="in_memory", scope=Scope.SCENARIO))
    return configs


def __default_task():
    input_ds = PickleDataNode(
        "input_ds",
        Scope.SCENARIO,
        DataNodeId("id_uio"),
        "owner_id",
        {"TASK_task_id"},
        properties={"default_data": "In memory Data Source"},
    )

    output_ds = PickleDataNode(
        "output_ds",
        Scope.SCENARIO,
        DataNodeId("id_uio"),
        "owner_id",
        {"TASK_task_id"},
        properties={"default_data": "In memory Data Source"},
    )
    return Task(
        config_id="foo",
        properties={},
        function=print,
        input=[input_ds],
        output=[output_ds],
        id="TASK_task_id",
    )


@pytest.fixture
def default_task():
    return __default_task()


@pytest.fixture
def default_task_config():
    return Config.configure_task("task1", print, [], [])


@pytest.fixture
def default_task_config_list():
    configs = []
    for i in range(10):
        configs.append(Config.configure_task(f"task_{i}", print, [], []))
    return configs


def __default_sequence():
    return Sequence(properties={"name": "foo"}, tasks=[__default_task()], sequence_id="SEQUENCE_foo_SCENARIO_acb")


def __task_config():
    return Config.configure_task("task1", print, [], [])


@pytest.fixture
def default_sequence():
    return __default_sequence()


@pytest.fixture
def default_scenario_config():
    task_config = __task_config()
    scenario_config = Config.configure_scenario(
        f"taipy_{uuid.uuid4().hex}",
        [task_config],
    )
    scenario_config.add_sequences({"sequence": [task_config]})
    return scenario_config


@pytest.fixture
def default_scenario_config_list():
    configs = []
    for _ in range(10):
        task_config = Config.configure_task(f"taipy_{uuid.uuid4().hex}", print)
        scenario_config = Config.configure_scenario(
            f"taipy_{uuid.uuid4().hex}",
            [task_config],
        )
        scenario_config.add_sequences({"sequence": [task_config]})
        configs.append(scenario_config)
    return configs


@pytest.fixture
def default_scenario():
    return Scenario(config_id="foo", properties={}, tasks=[__default_task()], scenario_id="SCENARIO_scenario_id")


def __create_cycle(name="foo"):
    now = datetime.now()
    return Cycle(
        name=name,
        frequency=Frequency.DAILY,
        properties={},
        creation_date=now,
        start_date=now,
        end_date=now + timedelta(days=5),
    )


@pytest.fixture
def create_cycle_list():
    cycles = []
    manager = _CycleManager
    for i in range(10):
        c = __create_cycle(f"cycle_{i}")
        manager._set(c)
    return cycles


@pytest.fixture
def cycle_data():
    return {
        "name": "foo",
        "frequency": "daily",
        "properties": {},
        "creation_date": "2022-02-03T22:17:27.317114",
        "start_date": "2022-02-03T22:17:27.317114",
        "end_date": "2022-02-08T22:17:27.317114",
    }


@pytest.fixture
def default_cycle():
    return __create_cycle()


def __create_job():
    task_manager = _TaskManager
    task = __default_task()
    task_manager._set(task)
    submit_id = f"SUBMISSION_{str(uuid.uuid4())}"
    return Job(id=JobId(f"JOB_{uuid.uuid4()}"), task=task, submit_id=submit_id, submit_entity_id=task.id)


@pytest.fixture
def default_job():
    return __create_job()


@pytest.fixture
def create_job_list():
    jobs = []
    manager = _JobManager
    for _ in range(10):
        c = __create_job()
        manager._set(c)
    return jobs


@pytest.fixture(scope="function", autouse=True)
def cleanup_files(reset_configuration_singleton, inject_core_sections):
    reset_configuration_singleton()
    inject_core_sections()

    Config.configure_core(repository_type="filesystem")
    if os.path.exists(".data"):
        shutil.rmtree(".data", ignore_errors=True)
    if os.path.exists(".my_data"):
        shutil.rmtree(".my_data", ignore_errors=True)

    yield
    for path in [".data", ".my_data", "user_data", ".taipy"]:
        if os.path.exists(path):
            shutil.rmtree(path, ignore_errors=True)


@pytest.fixture
def init_orchestrator():
    def _init_orchestrator():
        _OrchestratorFactory._remove_dispatcher()

        if _OrchestratorFactory._orchestrator is None:
            _OrchestratorFactory._build_orchestrator()
        _OrchestratorFactory._build_dispatcher(force_restart=True)
        _OrchestratorFactory._orchestrator.jobs_to_run = Queue()
        _OrchestratorFactory._orchestrator.blocked_jobs = []

    return _init_orchestrator