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# to you 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,
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from __future__ import annotations

from airflow.api_fastapi.core_api.base import BaseModel


class DAGRunStates(BaseModel):
    """DAG Run States for responses."""

    queued: int
    running: int
    success: int
    failed: int


class TaskInstanceStateCount(BaseModel):
    """TaskInstance serializer for responses."""

    no_status: int
    removed: int
    scheduled: int
    queued: int
    running: int
    success: int
    restarting: int
    failed: int
    up_for_retry: int
    up_for_reschedule: int
    upstream_failed: int
    skipped: int
    deferred: int


class HistoricalMetricDataResponse(BaseModel):
    """Historical Metric Data serializer for responses."""

    dag_run_states: DAGRunStates
    task_instance_states: TaskInstanceStateCount
    state_count_limit: int


class DashboardDagStatsResponse(BaseModel):
    """Dashboard DAG Stats serializer for responses."""

    active_dag_count: int
    failed_dag_count: int
    running_dag_count: int
    queued_dag_count: int
