import pytest

from review_agent.application_form_fill.constants import FORM_FILL_NODE_DEFINITIONS
from review_agent.application_form_fill.workflow import (
    create_application_form_fill_batch,
    find_latest_successful_summary_batch,
    start_application_form_fill_workflow,
)
from review_agent.models import (
    ApplicationFormFillBatch,
    Conversation,
    FileAttachment,
    FileSummaryBatch,
    Message,
    WorkflowEvent,
    WorkflowNodeRun,
)
from review_agent.services import stream_message
from review_agent.skill_router import SkillRoute


pytestmark = pytest.mark.django_db


def test_find_latest_successful_summary_batch_ignores_failed_batches(django_user_model):
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    success = FileSummaryBatch.objects.create(
        conversation=conversation,
        user=user,
        batch_no="FS-AFF-OK",
        status=FileSummaryBatch.Status.SUCCESS,
    )
    FileSummaryBatch.objects.create(
        conversation=conversation,
        user=user,
        batch_no="FS-AFF-FAILED",
        status=FileSummaryBatch.Status.FAILED,
    )

    assert find_latest_successful_summary_batch(conversation) == success


def test_create_application_form_fill_batch_initializes_nodes(settings, tmp_path, django_user_model):
    settings.MEDIA_ROOT = tmp_path
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    message = Message.objects.create(conversation=conversation, role=Message.Role.USER, content="帮我填注册证")
    summary = FileSummaryBatch.objects.create(
        conversation=conversation,
        user=user,
        batch_no="FS-AFF-OK",
        status=FileSummaryBatch.Status.SUCCESS,
    )

    batch = create_application_form_fill_batch(
        conversation=conversation,
        user=user,
        trigger_message=message,
        source_summary_batch=summary,
    )

    assert batch.status == ApplicationFormFillBatch.Status.PENDING
    assert batch.output_types == ["word", "excel", "json"]
    assert WorkflowNodeRun.objects.filter(
        workflow_type="application_form_fill",
        workflow_batch_id=batch.pk,
    ).count() == len(FORM_FILL_NODE_DEFINITIONS)
    assert WorkflowEvent.objects.filter(
        workflow_type="application_form_fill",
        workflow_batch_id=batch.pk,
        event_type="workflow_created",
    ).exists()


def test_application_form_fill_executor_runs_nodes_and_skips_pdf(settings, tmp_path, django_user_model):
    settings.MEDIA_ROOT = tmp_path
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    summary = FileSummaryBatch.objects.create(
        conversation=conversation,
        user=user,
        batch_no="FS-AFF-OK",
        status=FileSummaryBatch.Status.SUCCESS,
    )
    batch = create_application_form_fill_batch(
        conversation=conversation,
        user=user,
        source_summary_batch=summary,
    )

    start_application_form_fill_workflow(batch, async_run=False)

    batch.refresh_from_db()
    assert batch.status == ApplicationFormFillBatch.Status.SUCCESS
    assert WorkflowNodeRun.objects.get(
        workflow_type="application_form_fill",
        workflow_batch_id=batch.pk,
        node_code="pdf_convert",
    ).status == WorkflowNodeRun.Status.SKIPPED
    assert WorkflowEvent.objects.filter(
        workflow_type="application_form_fill",
        workflow_batch_id=batch.pk,
        event_type="workflow_completed",
    ).exists()


def test_stream_message_prompts_for_upload_when_no_summary_or_attachment(monkeypatch, django_user_model):
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    monkeypatch.setattr(
        "review_agent.services.route_message_intent",
        lambda conversation, content: SkillRoute(
            action="application_form_fill",
            workflow_type="application_form_fill",
            confidence=0.9,
        ),
    )

    frames = list(stream_message(conversation, "帮我填注册证"))

    joined = "".join(frames)
    assert "请先在当前对话右侧上传需要填表的产品资料或压缩包" in joined
    assert not ApplicationFormFillBatch.objects.exists()


def test_stream_message_starts_application_form_fill_workflow(monkeypatch, settings, tmp_path, django_user_model):
    settings.MEDIA_ROOT = tmp_path
    settings.APPLICATION_FORM_FILL_ASYNC = False
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    FileSummaryBatch.objects.create(
        conversation=conversation,
        user=user,
        batch_no="FS-AFF-OK",
        status=FileSummaryBatch.Status.SUCCESS,
    )
    monkeypatch.setattr(
        "review_agent.services.route_message_intent",
        lambda conversation, content: SkillRoute(
            action="application_form_fill",
            workflow_type="application_form_fill",
            confidence=0.9,
        ),
    )

    frames = list(stream_message(conversation, "帮我填注册证"))

    joined = "".join(frames)
    assert "workflow_started" in joined
    assert '"workflow_type": "application_form_fill"' in joined
    assert "已启动申报文件自动填表工作流" in joined
    assert ApplicationFormFillBatch.objects.filter(conversation=conversation).exists()


def test_stream_message_auto_runs_summary_before_application_form_fill(
    monkeypatch, settings, tmp_path, django_user_model
):
    settings.MEDIA_ROOT = tmp_path
    settings.APPLICATION_FORM_FILL_ASYNC = False
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")
    attachment_path = tmp_path / "application.txt"
    attachment_path.write_text("产品名称：甲胎蛋白检测试剂盒", encoding="utf-8")
    FileAttachment.objects.create(
        conversation=conversation,
        user=user,
        original_name="application.txt",
        storage_path=str(attachment_path),
        file_size=attachment_path.stat().st_size,
        is_active=True,
    )
    monkeypatch.setattr(
        "review_agent.services.route_message_intent",
        lambda conversation, content: SkillRoute(
            action="application_form_fill",
            workflow_type="application_form_fill",
            confidence=0.9,
        ),
    )

    def finish_summary(batch, async_run=True):
        batch.status = FileSummaryBatch.Status.SUCCESS
        batch.save(update_fields=["status"])

    monkeypatch.setattr("review_agent.services.start_file_summary_workflow", finish_summary)

    frames = list(stream_message(conversation, "为我该方案生成申报模板"))
    joined = "".join(frames)

    assert '"workflow_type": "file_summary"' in joined
    assert '"workflow_type": "application_form_fill"' in joined
    assert "汇总完成后继续自动填表" in joined
    assert FileSummaryBatch.objects.filter(conversation=conversation, status=FileSummaryBatch.Status.SUCCESS).exists()
    assert ApplicationFormFillBatch.objects.filter(conversation=conversation).exists()