from __future__ import annotations

import pytest

from yuxi.channels.adapters.nostr.target import normalize_target, looks_like_id, hint


class TestNormalizeTarget:
    def test_empty_string(self):
        assert normalize_target("") == ""

    def test_valid_hex_pubkey(self):
        hex_key = "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6"
        assert normalize_target(hex_key) == hex_key

    def test_nostr_prefix(self):
        hex_key = "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6"
        assert normalize_target(f"nostr:{hex_key}") == hex_key

    def test_whitespace(self):
        hex_key = "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6"
        assert normalize_target(f"  {hex_key}  ") == hex_key

    def test_invalid_input(self):
        assert normalize_target("not_a_valid_pubkey") == ""

    def test_random_string(self):
        assert normalize_target("hello world") == ""


class TestLooksLikeId:
    def test_valid_hex(self):
        hex_key = "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6"
        assert looks_like_id(hex_key) is True

    def test_nostr_prefix_hex(self):
        hex_key = "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6"
        assert looks_like_id(f"nostr:{hex_key}") is True

    def test_npub_looks_like_id(self):
        assert looks_like_id("npub1") is False

    def test_nprofile_looks_like_id(self):
        assert looks_like_id("nprofile1abcdefghij") is True

    def test_empty_string(self):
        assert looks_like_id("") is False

    def test_random_string(self):
        assert looks_like_id("hello") is False


class TestHint:
    def test_hint_returns_string(self):
        result = hint()
        assert isinstance(result, str)
        assert "npub" in result or "hex" in result or "nprofile" in result