import csv
import json
from pathlib import Path

from article_data_manager.enrichment.erp import (
    enrich_rollcalc_articles_from_erp,
    write_enrichment_outputs,
)


def test_enrichment_dry_run_writes_json_and_csv_outputs(tmp_path: Path) -> None:
    rollcalc_path = tmp_path / "article-data.json"
    erp_path = tmp_path / "erp.csv"
    json_path = tmp_path / "generated" / "article-data.erp-enriched-dry-run.json"
    report_path = tmp_path / "reports" / "erp-enrichment-report.csv"

    rollcalc_path.write_text(
        json.dumps(
            [
                {
                    "nr": "214700",
                    "name": "RollCalc A",
                    "thickness": 6.722,
                    "area_weight": 750.0,
                    "core_type": 0.0,
                },
                {
                    "nr": "999999",
                    "name": "RollCalc Only",
                    "thickness": 1.0,
                    "area_weight": 0.0,
                    "core_type": 0.0,
                },
            ],
            ensure_ascii=False,
            indent=2,
        )
        + "\n",
        encoding="utf-8",
    )
    erp_path.write_text(
        "\n".join(
            [
                "SL_ITEM_NO,ROP_PRODUCT_WIDTH,ROP_RATE_OF_PRODUCTION,"
                "SL_MINIMUM_PRODUCTION_QUANTITY,WPL_WORKPLACE_TEXT,kg_qm,SL_PRODUCTION_SPEED",
                "214700,\"6,00\",\"18,5\",5000,Anlage 3,999,999",
                "ERPONLY,9.99,1.0,1,Anlage X,1,1",
            ]
        ),
        encoding="utf-8",
    )

    result = enrich_rollcalc_articles_from_erp(rollcalc_path, erp_path)
    write_enrichment_outputs(result, json_path, report_path)

    output_articles = json.loads(json_path.read_text(encoding="utf-8"))
    assert [article["nr"] for article in output_articles] == ["214700", "999999"]
    assert output_articles[0]["area_weight"] == 750.0
    assert output_articles[0]["erp"] == {
        "product_width_m": 6.0,
        "line_speed_m_min": 18.5,
        "minimum_production_quantity": 5000.0,
        "workplace": "Anlage 3",
    }
    assert output_articles[1]["erp"] == {
        "product_width_m": None,
        "line_speed_m_min": None,
        "minimum_production_quantity": None,
        "workplace": None,
    }

    with report_path.open("r", encoding="utf-8-sig", newline="") as report_file:
        rows = list(csv.DictReader(report_file, delimiter=";"))

    assert [row["nr"] for row in rows] == ["214700", "999999"]
    assert rows[0]["status"] == "complete"
    assert rows[1]["status"] == "no_erp_match"