"""NIP-30 custom emoji: ``emoji`` tags + ``:shortcode:`` in note text."""

import tempfile
from pathlib import Path

from imwald.core.database import Database
from imwald.core.md_render import markdown_html_fragment, markdown_plain_summary
from imwald.core.nip30_emoji import (
    nip30_emoji_urls_from_tags,
    parse_kind30030_a_coordinate,
    preprocess_nip30_emoji_markdown,
)
from imwald.core.nostr_crypto import build_signed_event, pubkey_hex_from_secret


def test_urls_from_tags() -> None:
    tags = [
        ["emoji", "100percent", "https://example.com/a.png"],
        ["emoji", "bad", "ftp://x/y.png"],
        ["emoji", "", "https://example.com/z.png"],
        ["t", "nostr"],
    ]
    m = nip30_emoji_urls_from_tags(tags)
    assert m == {"100percent": "https://example.com/a.png"}


def test_preprocess_skips_fenced_blocks() -> None:
    urls = {"x": "https://example.com/x.png"}
    md = "```\n:x:\n```\nline :x: end"
    out = preprocess_nip30_emoji_markdown(md, urls)
    assert ":x:" in out.split("```")[1]
    assert '<img src="https://example.com/x.png"' in out


def test_markdown_html_fragment_nip30() -> None:
    tags = [["emoji", "100percent", "https://example.com/e.png"]]
    html = markdown_html_fragment("Hello :100percent: world", nip30_tags=tags)
    assert 'class="nip30-emoji"' in html
    assert 'src="https://example.com/e.png"' in html
    assert "Hello" in html and "world" in html


def test_parse_kind30030_a_coordinate() -> None:
    pk = "a" * 64
    assert parse_kind30030_a_coordinate(f"30030:{pk}:my-pack") == (pk, "my-pack")
    assert parse_kind30030_a_coordinate("1:xx:yy") is None
    assert parse_kind30030_a_coordinate("nope") is None


def test_author_kind0_inventory_resolves_shortcode_in_markdown() -> None:
    """Jumble-style: shortcodes in the note resolve from the author's kind 0 ``emoji`` tags."""
    sk = bytes.fromhex("3501454135014541350145413501453fefb02227e449e57cf4d3a3ce05378683")
    pk = pubkey_hex_from_secret(sk)
    k0 = build_signed_event(
        sk,
        created_at=1,
        kind=0,
        tags=[["emoji", "chadyes_sm", "https://example.com/chad.png"]],
        content="{}",
    )
    with tempfile.TemporaryDirectory() as td:
        db = Database(Path(td) / "nip30.sqlite")
        db.connect()
        db.upsert_event(k0)
        html = markdown_html_fragment(
            "Hi :chadyes_sm: bye",
            db=db,
            nip30_tags=None,
            nip30_author_pubkey=pk,
        )
        assert "nip30-emoji" in html
        assert "example.com/chad.png" in html


def test_event_emoji_tags_override_author_inventory() -> None:
    sk = bytes.fromhex("3501454135014541350145413501453fefb02227e449e57cf4d3a3ce05378683")
    pk = pubkey_hex_from_secret(sk)
    k0 = build_signed_event(
        sk,
        created_at=1,
        kind=0,
        tags=[["emoji", "x", "https://example.com/from0.png"]],
        content="{}",
    )
    with tempfile.TemporaryDirectory() as td:
        db = Database(Path(td) / "nip30b.sqlite")
        db.connect()
        db.upsert_event(k0)
        html = markdown_html_fragment(
            ":x:",
            db=db,
            nip30_tags=[["emoji", "x", "https://example.com/from_note.png"]],
            nip30_author_pubkey=pk,
        )
        assert "from_note.png" in html
        assert "from0.png" not in html


def test_plain_summary_strips_inline_emoji_img() -> None:
    """List previews strip HTML; NIP-30 ``<img>`` does not leave the shortcode in plain text."""
    tags = [["emoji", "x", "https://example.com/x.png"]]
    s = markdown_plain_summary("Hi :x: bye", max_len=200, nip30_tags=tags)
    assert "Hi" in s and "bye" in s
    assert ":x:" not in s