"""海报 renderDocument v2 与模板兼容规则测试。"""
import json
import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
sys.path.insert(0, str(ROOT / "api"))


def test_render_document_uses_confirmed_case_facts_and_product_features():
    from insurance.poster.format_registry import resolve_poster_format
    from insurance.poster.render_document_builder import build_render_document

    document = build_render_document(
        format_spec=resolve_poster_format("single_2_3", output_mode="single"),
        template={
            "id": 9,
            "layoutKey": "single_hero_data",
            "colorScheme": {"primary": "#123456", "accent": "#c99040"},
        },
        copy_content={"headline": "确认后的标题", "body": "正文", "call_to_action": "咨询"},
        case_facts={
            "age": 35,
            "annual_premium": 10000,
            "benefit_table": [{"year": year, "total_surrender": year * 1000} for year in range(1, 8)],
        },
        product_rules={
            "facts": {"age": 60},
            "features": [{"title": f"卖点 {index}"} for index in range(5)],
        },
        plan_type="savings",
        compliance_revision="revision-1",
    )

    assert document["schemaVersion"] == 2
    assert document["facts"]["age"] == 35
    assert document["summary"]["annual_premium"] == 10000
    assert len(document["features"]) == 3
    assert len(document["benefits"]) <= 1
    assert document["theme"]["primary"] == "#123456"
    assert document["layoutKey"] == "single_hero_data"
    assert document["complianceRevision"] == "revision-1"


def test_render_document_long_mode_keeps_long_content_budget():
    from insurance.poster.format_registry import resolve_poster_format
    from insurance.poster.render_document_builder import build_render_document

    document = build_render_document(
        format_spec=resolve_poster_format("long_1242_auto", output_mode="long"),
        template={"id": 1, "layoutKey": "long_complete", "colorScheme": {}},
        copy_content={},
        case_facts={"benefit_table": [{"year": year, "total_surrender": year * 1000} for year in range(1, 31)]},
        product_rules={"features": [{"title": str(index)} for index in range(8)]},
        plan_type="savings",
        compliance_revision="",
    )

    assert document["outputMode"] == "long"
    assert len(document["features"]) == 6
    assert len(document["benefits"]) <= 6
    assert next(item for item in document["sections"] if item["id"] == "benefits")["visible"] is True


def test_render_document_keeps_custom_long_height():
    from insurance.poster.format_registry import resolve_poster_format
    from insurance.poster.render_document_builder import build_render_document

    document = build_render_document(
        format_spec=resolve_poster_format("long_1242_auto", output_mode="long"),
        template={},
        copy_content={},
        case_facts={},
        product_rules={},
        plan_type="other",
        compliance_revision="",
        custom_height=4500,
    )

    assert document["requestedOutput"] == {"width": 1242, "height": 4500}
    assert document["exportSize"] == "1242x4500"


def test_template_mode_and_format_compatibility_is_explicit():
    from insurance.models.poster_template_model import PosterTemplate

    template = PosterTemplate(
        name="单图模板",
        style_description="稳健",
        supported_modes=json.dumps(["single"]),
        supported_formats=json.dumps(["single_2_3"]),
    )
    assert template.supports("single", "single_2_3")
    assert not template.supports("long", "long_1242_auto")


def test_template_admin_rejects_mode_format_mismatch():
    from insurance.admin.ppt_admin_service import _poster_compatibility_error

    assert _poster_compatibility_error(["single"], ["single_2_3"]) is None
    assert _poster_compatibility_error(["single"], ["long_1242_auto"])


def test_frontend_uses_dedicated_exporter_module():
    page = (ROOT / "frontend/src/pages/PosterPage.vue").read_text(encoding="utf-8")
    exporter = ROOT / "frontend/src/utils/poster-exporter.ts"
    stage = (ROOT / "frontend/src/components/poster/workspace/PosterStage.vue").read_text(encoding="utf-8")

    assert exporter.exists()
    assert "renderPosterToBlob" in page
    assert ':benefits="renderBenefits"' in stage


def test_render_document_loading_stays_in_poster_worker():
    worker = (ROOT / "api/insurance/generation/celery_tasks.py").read_text(encoding="utf-8")
    ppt_body, poster_body = worker.split("def _execute_poster_generate", maxsplit=1)

    assert 'snapshot.get("renderDocument")' not in ppt_body
    assert 'snapshot.get("renderDocument")' in poster_body
    assert "record.document_json" in poster_body