"""
docs_export.py — La Suite Docs integration for CQAI Nursing Research Writer

Converts generated essays, literature reviews, and reflective accounts to
clean Markdown compatible with La Suite Docs (suitenumerique/docs).
No API credentials needed.
"""

from __future__ import annotations

from datetime import date

import streamlit as st

DOCS_PUBLIC_INSTANCE = "https://notes.liiib.re"
DOCS_SIGNUP_URL = "https://notes.liiib.re"
DOCS_IMPORT_GUIDE = """
**How to use La Suite Docs (free, no credit card):**

1. **Sign up** → go to [notes.liiib.re ↗](https://notes.liiib.re) and click **Start Writing**
2. Click **Créer un nouveau compte** (Create a new account) — enter username, email, password
3. Once logged in, click **+ New document**
4. Click the **⋯ menu → Import** → select your downloaded `.md` file
5. Your document is live — share, annotate, collaborate in real time

> 💡 Accounts are free. Content resets monthly on this public demo instance.
> For a permanent instance, consider self-hosting on Railway (see CQAI docs).
""".format()


def render_save_to_docs(
    title: str,
    markdown_content: str,
    filename: str,
    description: str = "",
    instance_url: str = DOCS_PUBLIC_INSTANCE,
) -> None:
    """Render a 'Save to Docs' panel with .md download + Open Docs link."""
    st.markdown("---")
    st.markdown("#### 📄 Save to La Suite Docs")
    if description:
        st.caption(description)

    col_dl, col_open = st.columns(2)
    with col_dl:
        st.download_button(
            label="⬇️ Download as .md",
            data=markdown_content,
            file_name=f"{filename}.md",
            mime="text/markdown",
            use_container_width=True,
            key=f"docs_dl_{filename}",
        )
    with col_open:
        st.link_button(
            "🌐 Sign up / Open Docs",
            url="https://notes.liiib.re",
            use_container_width=True,
        )

    with st.expander("📋 How to import into Docs", expanded=False):
        st.markdown(DOCS_IMPORT_GUIDE)
        st.info(
            "💡 La Suite Docs is an open-source, GDPR-compliant alternative to Notion "
            "and Google Docs — built by the French and German governments. Free to use.",
            icon="ℹ️",
        )


# ---------------------------------------------------------------------------
# Research Writer — Markdown formatter
# ---------------------------------------------------------------------------

def output_to_markdown(
    tool_name: str,
    topic: str,
    output_text: str,
    word_count: int | None = None,
    model: str | None = None,
) -> str:
    """
    Wrap a Research Writer output in Docs-ready Markdown with metadata header.

    Args:
        tool_name: e.g. "Literature Review", "Essay Writer", "Reflective Account"
        topic: user-provided topic / question
        output_text: the full generated text (may already contain Markdown)
        word_count: approximate word count if available
        model: Claude model used
    """
    meta_rows = [
        f"| **Tool** | {tool_name} |",
        f"| **Topic** | {topic} |",
        f"| **Generated** | {date.today().strftime('%d %B %Y')} |",
    ]
    if word_count:
        meta_rows.append(f"| **Word count** | ~{word_count:,} |")
    if model:
        meta_rows.append(f"| **Model** | {model} |")

    lines = [
        f"# {tool_name}",
        "",
        f"> *{topic}*",
        "",
        "---",
        "",
        "## Document Details",
        "",
        "| Field | Value |",
        "|-------|-------|",
        *meta_rows,
        "",
        "---",
        "",
        "## Content",
        "",
        output_text.strip(),
        "",
        "---",
        "",
        "## Academic Integrity Statement",
        "",
        "This document was generated using AI assistance (CQAI Nursing Research Writer). "
        "All AI-generated content has been reviewed for accuracy and academic integrity. "
        "References must be independently verified before submission.",
        "",
        "*This tool supports but does not replace academic judgment. "
        "Always follow your institution's AI use policy.*",
    ]

    return "\n".join(lines)


def literature_review_to_markdown(
    topic: str,
    pico: dict | None,
    output_text: str,
    databases: list | None = None,
) -> str:
    """Format a literature review with PICO framing for Docs."""
    pico = pico or {}
    db_list = databases or ["PubMed", "CINAHL", "Cochrane Library"]

    header_lines = [
        "# Literature Review",
        "",
        f"> Topic: {topic}  ",
        f"> Generated: {date.today().strftime('%d %B %Y')}",
        "",
        "---",
        "",
    ]

    if pico:
        header_lines += [
            "## PICO Framework",
            "",
            "| Element | Description |",
            "|---------|-------------|",
            f"| **P — Population** | {pico.get('population', '[Not specified]')} |",
            f"| **I — Intervention** | {pico.get('intervention', '[Not specified]')} |",
            f"| **C — Comparison** | {pico.get('comparison', '[Not specified]')} |",
            f"| **O — Outcome** | {pico.get('outcome', '[Not specified]')} |",
            "",
        ]

    header_lines += [
        "## Search Strategy",
        "",
        f"Databases searched: {', '.join(db_list)}",
        "",
        "---",
        "",
        "## Review",
        "",
        output_text.strip(),
        "",
        "---",
        "",
        "*Generated by CQAI Nursing Research Writer. "
        "This tool supports but does not replace academic judgment.*",
    ]

    return "\n".join(header_lines)


def reflective_account_to_markdown(
    framework: str,
    situation: str,
    output_text: str,
) -> str:
    """Format a reflective account for Docs."""
    lines = [
        "# Reflective Account",
        "",
        f"> Framework: {framework}  ",
        f"> Situation: {situation}  ",
        f"> Date: {date.today().strftime('%d %B %Y')}",
        "",
        "---",
        "",
        "## Reflection",
        "",
        output_text.strip(),
        "",
        "---",
        "",
        "## NMC Revalidation — CPD Record",
        "",
        "| Field | Value |",
        "|-------|-------|",
        "| **Date of activity** | [DATE] |",
        "| **CPD method** | Reflective writing |",
        "| **Topic** | " + situation[:80] + " |",
        "| **NMC Standards addressed** | [e.g. Platform 1, 6] |",
        "| **Hours** | [X] |",
        "| **Confirmed by** | [NAME / NMC PIN] |",
        "",
        "---",
        "",
        "*Generated by CQAI Nursing Research Writer. "
        "Always review AI output before including in revalidation portfolio.*",
    ]
    return "\n".join(lines)