"""Link source = curated URL list (one page per line, no crawl following)."""
from pathlib import Path

import pytest
from fastapi import HTTPException

import blocks
from pipeline import GenContext
from routes import _validate_source


# --- _validate_source: per-line validation ---------------------------------

def test_validate_source_link_multiline_ok():
    _validate_source("link", "https://a.com/x\nhttp://b.com/y")  # no raise


def test_validate_source_link_rejects_bad_line():
    with pytest.raises(HTTPException):
        _validate_source("link", "https://a.com/x\nftp://bad")


def test_validate_source_link_rejects_empty():
    with pytest.raises(HTTPException):
        _validate_source("link", "   \n  ")


# --- _prepare_source: load every line, all pages as content, no triage -----

async def test_prepare_source_link_loads_all_urls_as_content(testdb, tmp_path, monkeypatch):
    topic = "T"
    folder = tmp_path / "source"
    folder.mkdir()

    captured = {}

    def fake_load(urls, target, *, cancelled=None):
        captured["urls"] = list(urls)
        for i, u in enumerate(urls):
            (Path(target) / f"p{i}.txt").write_text(f"QUELLE: {u}\n\nInhalt {i}", encoding="utf-8")
        return len(urls)

    monkeypatch.setattr(blocks, "load_pages", fake_load)
    monkeypatch.setattr(blocks, "_convert_pdfs", lambda f: None)
    monkeypatch.setattr(blocks, "_crawl_done", lambda t: False)
    monkeypatch.setattr(blocks, "_step_idx", lambda t, n: 0)  # step list needs source.json — irrelevant here

    ctx = GenContext(topic=topic, provider="claude", is_cancelled=lambda: False)
    q = {"type": "link", "location": " https://a.com/x \n\nhttps://b.com/y\n", "spec": ""}
    ok = await blocks._prepare_source(ctx, lambda *a, **k: None, {"arbeit": tmp_path}, q, folder, "")

    assert ok is True
    assert captured["urls"] == ["https://a.com/x", "https://b.com/y"]  # split + strip + blanks dropped
    content = await testdb.list_content(topic)
    assert len(content) == 2  # every page kept, no relevance triage