"""DOM discovery for Teams Web — meeting chat and channel posts.

Usage:
    .venv/bin/python scripts/discover_dom.py
"""
from pathlib import Path
from playwright.sync_api import sync_playwright

SESSION_DIR = str(Path.home() / ".teampulse" / "session")


def main():
    with sync_playwright() as p:
        browser = p.chromium.launch_persistent_context(
            SESSION_DIR,
            headless=False,
            args=["--no-sandbox"],
        )
        page = browser.pages[0] if browser.pages else browser.new_page()
        page.goto("https://teams.microsoft.com")
        print("Navigiere im Browser zum Channel/Chat mit sichtbaren Nachrichten, dann Enter...")
        input()

        results = page.evaluate("""() => {
            const out = {};

            // 1. All unique data-tid values on the page
            const tids = new Set();
            document.querySelectorAll('[data-tid]').forEach(el => tids.add(el.getAttribute('data-tid')));
            out.allDataTids = [...tids].sort();

            // 2. Try common message selectors
            const msgSelectors = [
                "[data-tid='chat-pane-message']",
                "[data-tid='channel-message-content']",
                "[data-tid='message-body']",
                "[data-tid='messageBody']",
                "[class*='fui-ChatMessage']:not([class*='Control'])",
                "[class*='message-body']",
                "[class*='messageBody']",
                "[class*='chatMessage']",
                "[class*='ChatMessage']",
            ];
            out.msgSelectorHits = {};
            msgSelectors.forEach(sel => {
                try {
                    out.msgSelectorHits[sel] = document.querySelectorAll(sel).length;
                } catch(e) {}
            });

            // 3. Find elements whose text contains known message content
            const knownTexts = ['Oliver Hofmann', '!stop', 'test', '!start'];
            out.knownTextMatches = [];
            document.querySelectorAll('*').forEach(el => {
                if (el.children.length > 0) return;
                const t = el.textContent.trim();
                if (knownTexts.some(kt => t === kt || t.startsWith(kt))) {
                    let p = el;
                    const ancestors = [];
                    for (let i = 0; i < 5 && p; i++) {
                        ancestors.push({
                            tag: p.tagName,
                            dataTid: p.getAttribute('data-tid'),
                            cls: (p.className || '').substring(0, 80)
                        });
                        p = p.parentElement;
                    }
                    out.knownTextMatches.push({ text: t.substring(0, 40), ancestors });
                }
            });
            out.knownTextMatches = out.knownTextMatches.slice(0, 10);

            return out;
        }""")

        print("\n--- Alle data-tid Werte auf der Seite ---")
        print(", ".join(results["allDataTids"]))

        print("\n--- Nachrichten-Selektoren ---")
        for sel, count in results["msgSelectorHits"].items():
            if count > 0:
                print(f"  ✓ {sel}: {count} Treffer")
            else:
                print(f"    {sel}: 0")

        print("\n--- Elemente mit bekanntem Text ---")
        for match in results["knownTextMatches"]:
            print(f"\n  Text: \"{match['text']}\"")
            for anc in match["ancestors"]:
                print(f"    {anc['tag']} data-tid='{anc['dataTid']}' class='{anc['cls'][:60]}'")

        print("\nEnter zum Schließen...")
        input()
        browser.close()


if __name__ == "__main__":
    main()