from __future__ import annotations

import sys
import tempfile
from pathlib import Path

import gradio as gr

# Hugging Face Spaces installs requirements but doesn't install this repository
# as a wheel. Keep the src-layout importable in both Spaces and local execution.
sys.path.insert(0, str(Path(__file__).resolve().parent / "src"))

from finreport_agent.pipeline import convert_report
from finreport_agent.models import FundPortfolioReport


def convert_for_ui(file_path: str, progress=gr.Progress()):
    if not file_path:
        raise gr.Error("Lütfen bir PDF veya rapor görüntüsü yükleyin.")

    progress(0.08, desc="Rapor inceleniyor")
    output_dir = Path(tempfile.mkdtemp(prefix="finreport_"))
    output_path = output_dir / f"{Path(file_path).stem}_validated.xlsx"

    try:
        progress(0.28, desc="Tablolar çıkarılıyor")
        result = convert_report(file_path, output_path)
    except Exception as exc:
        raise gr.Error(str(exc)) from exc

    progress(0.85, desc="Excel hazırlanıyor")
    validation = result.validation
    report = result.report
    status_icon = (
        "❌" if validation.error_count else "⚠️" if validation.warning_count else "✅"
    )
    if isinstance(report, FundPortfolioReport):
        report_details = f"""
**{report.metadata.fund_name}** · {report.metadata.period}

- {len(report.equities)} hisse pozisyonu
- {len(report.repos)} repo pozisyonu
- {len(report.derivatives)} türev pozisyonu
- {len(report.cash_collaterals)} nakit teminat kalemi
"""
    else:
        report_details = f"""
**{report.document_title}**

- {len(report.tables)} tablo · {sum(len(table.rows) for table in report.tables)} satır
"""

    summary = f"""
### {status_icon} {validation.status}

{report_details}

- {validation.error_count} hata · {validation.warning_count} uyarı · {validation.info_count} bilgi

Kontrol ve kaynak bilgileri Excel dosyasına eklendi.
"""
    progress(1.0, desc="Tamamlandı")
    return summary, result.output_path


THEME = gr.themes.Soft(primary_hue="blue")


with gr.Blocks(title="KAP Finansal Rapor → Excel") as demo:
    gr.Markdown(
        """
# KAP Finansal Rapor → Excel

KAP raporunuzu yükleyin, tabloları düzenli bir Excel dosyası olarak indirin.
"""
    )
    with gr.Row():
        with gr.Column(scale=1):
            source = gr.File(
                label="KAP raporu",
                file_types=[".pdf", ".png", ".jpg", ".jpeg", ".tif", ".tiff"],
                type="filepath",
            )
            convert_button = gr.Button("Excel Oluştur", variant="primary")
            gr.Markdown(
                """
PDF veya rapor görüntüsü yükleyebilirsiniz. Tablo ve sekmeler otomatik belirlenir.
"""
            )
        with gr.Column(scale=1):
            result_markdown = gr.Markdown("Rapor bekleniyor.")
            output_file = gr.File(label="Excel çıktısı", interactive=False)

    convert_button.click(
        fn=convert_for_ui,
        inputs=source,
        outputs=[result_markdown, output_file],
        api_name="convert_financial_report",
    )


if __name__ == "__main__":
    demo.queue(default_concurrency_limit=2).launch(
        theme=THEME,
        ssr_mode=False,
        max_file_size="50mb",
    )