"""
Tests for Behavior Policy v1: Silent-by-default + Short-first + Media-no-comment
"""
import pytest
import sys
from pathlib import Path

# Add gateway-bot to path
sys.path.insert(0, str(Path(__file__).parent.parent / "gateway-bot"))

from behavior_policy import (
    detect_agent_mention,
    detect_any_agent_mention,
    detect_command,
    detect_question,
    detect_imperative,
    detect_broadcast_intent,
    detect_short_note,
    detect_media_question,
    analyze_message,
    should_respond,
    is_no_output_response,
    NO_OUTPUT,
    TRAINING_GROUP_IDS,
)


# ========================================
# Unit Tests: detect_agent_mention
# ========================================

class TestDetectAgentMention:
    def test_helion_mention_exact(self):
        assert detect_agent_mention("Helion, що ти думаєш?", "helion") is True
    
    def test_helion_mention_lowercase(self):
        assert detect_agent_mention("helion допоможи", "helion") is True
    
    def test_helion_mention_ukrainian(self):
        assert detect_agent_mention("Хеліон, як справи?", "helion") is True
    
    def test_helion_mention_at(self):
        assert detect_agent_mention("@energyunionBot глянь", "helion") is True
    
    def test_helion_no_mention(self):
        assert detect_agent_mention("Привіт всім", "helion") is False
    
    def test_daarwizz_mention(self):
        assert detect_agent_mention("@DAARWIZZBot поясни", "daarwizz") is True
    
    def test_daarwizz_no_mention(self):
        assert detect_agent_mention("Helion допоможи", "daarwizz") is False


class TestDetectAnyAgentMention:
    def test_helion_detected(self):
        assert detect_any_agent_mention("Helion, скажи") == "helion"
    
    def test_daarwizz_detected(self):
        assert detect_any_agent_mention("@DAARWIZZBot допоможи") == "daarwizz"
    
    def test_no_agent(self):
        assert detect_any_agent_mention("Привіт всім") is None


# ========================================
# Unit Tests: detect_command
# ========================================

class TestDetectCommand:
    def test_ask_command(self):
        assert detect_command("/ask що таке DAO?") is True
    
    def test_helion_command(self):
        assert detect_command("/helion покажи") is True
    
    def test_brand_command(self):
        assert detect_command("/бренд_інтейк https://example.com") is True
    
    def test_no_command(self):
        assert detect_command("Привіт, як справи?") is False
    
    def test_slash_in_middle(self):
        assert detect_command("Дивись https://example.com/path") is False


# ========================================
# Unit Tests: detect_question
# ========================================

class TestDetectQuestion:
    def test_question_mark(self):
        assert detect_question("Що це таке?") is True
    
    def test_question_word_start(self):
        assert detect_question("Як це працює") is True
    
    def test_question_word_чому(self):
        assert detect_question("Чому так") is True
    
    def test_english_question(self):
        assert detect_question("What is this?") is True
    
    def test_no_question(self):
        assert detect_question("Добре") is False
    
    def test_statement(self):
        assert detect_question("Я згоден з цим") is False


# ========================================
# Unit Tests: detect_imperative
# ========================================

class TestDetectImperative:
    def test_поясни(self):
        assert detect_imperative("Поясни мені це") is True
    
    def test_зроби(self):
        assert detect_imperative("Зроби аналіз") is True
    
    def test_допоможи(self):
        assert detect_imperative("Допоможи з цим") is True
    
    def test_after_mention(self):
        assert detect_imperative("@Helion поясни") is True
    
    def test_no_imperative(self):
        assert detect_imperative("Привіт") is False


# ========================================
# Unit Tests: detect_broadcast_intent
# ========================================

class TestDetectBroadcastIntent:
    def test_time_pattern(self):
        assert detect_broadcast_intent("20:00 Вебінар") is True
    
    def test_time_date_pattern(self):
        assert detect_broadcast_intent("14.30 10.02 Зустріч") is True
    
    def test_emoji_start(self):
        assert detect_broadcast_intent("✅ Завершено") is True
    
    def test_url_only(self):
        assert detect_broadcast_intent("https://example.com") is True
    
    def test_announcement_word(self):
        assert detect_broadcast_intent("Анонс: новий реліз") is True
    
    def test_normal_message(self):
        assert detect_broadcast_intent("Привіт, як справи?") is False


# ========================================
# Unit Tests: detect_short_note
# ========================================

class TestDetectShortNote:
    def test_checkmark_only(self):
        assert detect_short_note("✅") is True
    
    def test_time_checkmark(self):
        assert detect_short_note("20:00 ✅") is True
    
    def test_ok(self):
        assert detect_short_note("ok") is True
    
    def test_plus(self):
        assert detect_short_note("+") is True
    
    def test_normal_message(self):
        assert detect_short_note("Привіт, як справи?") is False
    
    def test_empty(self):
        assert detect_short_note("") is True


# ========================================
# Unit Tests: detect_media_question
# ========================================

class TestDetectMediaQuestion:
    def test_question_in_caption(self):
        assert detect_media_question("Що на цьому фото?") is True
    
    def test_imperative_in_caption(self):
        assert detect_media_question("Опиши це зображення") is True
    
    def test_no_question(self):
        assert detect_media_question("") is False
    
    def test_just_hashtag(self):
        assert detect_media_question("#photo") is False


# ========================================
# Unit Tests: is_no_output_response
# ========================================

class TestIsNoOutputResponse:
    def test_empty_string(self):
        assert is_no_output_response("") is True
    
    def test_whitespace(self):
        assert is_no_output_response("   ") is True
    
    def test_no_output_marker(self):
        assert is_no_output_response("__NO_OUTPUT__") is True
    
    def test_no_output_lowercase(self):
        assert is_no_output_response("no_output") is True
    
    def test_normal_response(self):
        assert is_no_output_response("Ось моя відповідь") is False
    
    def test_dots_only(self):
        assert is_no_output_response("...") is True


# ========================================
# Integration Tests: analyze_message / should_respond
# ========================================

class TestAnalyzeMessage:
    """Test main decision logic"""
    
    def test_training_group_always_respond(self):
        decision = analyze_message(
            text="Привіт всім",
            agent_id="helion",
            chat_id="-1003556680911",  # Training group
        )
        assert decision.should_respond is True
        assert decision.reason == "training_group"
    
    def test_private_chat_always_respond(self):
        decision = analyze_message(
            text="Привіт",
            agent_id="helion",
            chat_id="123456",
            is_private_chat=True,
        )
        assert decision.should_respond is True
        assert decision.reason == "private_chat"
    
    def test_direct_mention_respond(self):
        decision = analyze_message(
            text="Helion, що думаєш?",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is True
        assert decision.reason == "direct_mention"
    
    def test_command_respond(self):
        decision = analyze_message(
            text="/helion допоможи",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is True
        assert decision.reason == "command"
    
    def test_broadcast_no_mention_silent(self):
        decision = analyze_message(
            text="20:00 Вебінар Energy Union",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is False
        assert decision.reason == "broadcast_no_mention"
    
    def test_short_note_silent(self):
        decision = analyze_message(
            text="20:00 10.02 ✅",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is False
        assert "short_note" in decision.reason or "broadcast" in decision.reason
    
    def test_media_no_question_silent(self):
        decision = analyze_message(
            text="",
            agent_id="helion",
            chat_id="group123",
            has_media=True,
            media_caption="",
        )
        assert decision.should_respond is False
        assert decision.reason == "media_no_question"
    
    def test_media_with_question_respond(self):
        decision = analyze_message(
            text="",
            agent_id="helion",
            chat_id="group123",
            has_media=True,
            media_caption="Що на цьому фото?",
        )
        assert decision.should_respond is True
        assert decision.reason == "media_with_question"
    
    def test_question_no_mention_silent(self):
        """General question without mention = don't respond in groups"""
        decision = analyze_message(
            text="Як це працює?",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is False
        assert decision.reason == "question_no_mention"
    
    def test_addressed_to_other_agent(self):
        decision = analyze_message(
            text="@DAARWIZZBot поясни DAO",
            agent_id="helion",
            chat_id="group123",
        )
        assert decision.should_respond is False
        assert "other_agent" in decision.reason


# ========================================
# E2E Test Cases (from requirements)
# ========================================

class TestE2ECases:
    """
    Test cases from the requirements document.
    """
    
    def test_case_1_poster_no_question(self):
        """Case 1: Постер у каналі без питання → (нічого)"""
        respond, reason = should_respond(
            text="",
            agent_id="helion",
            chat_id="channel123",
            has_media=True,
            media_caption="",
        )
        assert respond is False
        assert reason == "media_no_question"
    
    def test_case_2_timing_no_question(self):
        """Case 2: Таймінг без питання → (нічого)"""
        respond, reason = should_respond(
            text="20:00 10.02 ✅",
            agent_id="helion",
            chat_id="group123",
        )
        assert respond is False
        # Either short_note or broadcast pattern matches
    
    def test_case_3_direct_request_with_photo(self):
        """Case 3: @Helion що на цьому постері? коротко + image → respond"""
        respond, reason = should_respond(
            text="",
            agent_id="helion",
            chat_id="group123",
            has_media=True,
            media_caption="@Helion що на цьому постері? коротко",
        )
        # Should respond because there's a question in caption
        assert respond is True
        assert reason == "media_with_question"
    
    def test_case_4_link_no_question(self):
        """Case 4: Посилання без питання → (нічого)"""
        respond, reason = should_respond(
            text="https://t.me/energyunionofficial/123",
            agent_id="helion",
            chat_id="group123",
            has_media=True,  # Link treated as media
            media_caption="https://t.me/energyunionofficial/123",
        )
        assert respond is False
        assert reason == "media_no_question"
    
    def test_case_5_link_with_question(self):
        """Case 5: @DAARWIZZ глянь посилання і скажи 3 тези + link → respond"""
        respond, reason = should_respond(
            text="@DAARWIZZBot глянь посилання і скажи 3 тези https://example.com",
            agent_id="daarwizz",
            chat_id="group123",
            has_media=True,
            media_caption="@DAARWIZZBot глянь посилання і скажи 3 тези https://example.com",
        )
        # Should respond because there's a direct mention + question
        assert respond is True
        assert reason == "media_with_question"


# ========================================
# Edge Cases
# ========================================

class TestEdgeCases:
    def test_empty_text(self):
        respond, reason = should_respond(
            text="",
            agent_id="helion",
            chat_id="group123",
        )
        assert respond is False
    
    def test_none_text(self):
        respond, reason = should_respond(
            text=None,
            agent_id="helion",
            chat_id="group123",
        )
        assert respond is False
    
    def test_mixed_agents_mention(self):
        """When multiple agents mentioned, each should handle their own"""
        # Helion should respond to Helion mention
        respond_helion, _ = should_respond(
            text="Helion та DAARWIZZ, допоможіть",
            agent_id="helion",
            chat_id="group123",
        )
        assert respond_helion is True
        
        # DAARWIZZ should also respond
        respond_daarwizz, _ = should_respond(
            text="Helion та DAARWIZZ, допоможіть",
            agent_id="daarwizz",
            chat_id="group123",
        )
        assert respond_daarwizz is True
    
    def test_question_to_specific_agent(self):
        """Question directed to another agent"""
        respond, reason = should_respond(
            text="@greenfoodliveBot як справи?",
            agent_id="helion",
            chat_id="group123",
        )
        assert respond is False
        assert "other_agent" in reason


if __name__ == "__main__":
    pytest.main([__file__, "-v"])