"""Objection intelligence — detection, typed counters, stage-aware persuasion."""

from app.services.objection import count_prior_objections, detect_objection
from app.services.prompter import (
    OBJECTION_HANDLING_INSTRUCTIONS,
    get_conversation_stage_directive,
    get_objection_instruction,
    get_reading_anchor,
)


# ── Detection ─────────────────────────────────────────────────────────────────

def test_price_objection_detected():
    assert detect_objection("this seems too expensive for me") == "price"
    assert detect_objection("I can't afford another book right now") == "price"


def test_time_objection_detected():
    assert detect_objection("i don't have time to read these days") == "time"
    assert detect_objection("looks too long, I'd never finish it") == "time"


def test_relevance_objection_detected():
    assert detect_objection("i have no interest in politics") == "relevance"
    assert detect_objection("this is not my thing honestly") == "relevance"


def test_skepticism_objection_detected():
    assert detect_objection("is it actually good or just hype?") == "skepticism"
    assert detect_objection("what makes it different from other books") == "skepticism"


def test_genre_objection_detected():
    assert detect_objection("i only read romance novels") == "genre"


def test_alternatives_objection_detected():
    assert detect_objection("i already read something similar last year") == "alternatives"


def test_generic_value_challenge_maps_to_relevance():
    assert detect_objection("so why should i buy this") == "relevance"
    assert detect_objection("convince me") == "relevance"


def test_normal_question_is_not_objection():
    assert detect_objection("who is the main character?") is None
    assert detect_objection("what is this book about") is None


def test_prior_objections_counted_from_history():
    history = [
        {"role": "user", "content": "what is this about"},
        {"role": "assistant", "content": "It explores..."},
        {"role": "user", "content": "why should i buy this, i have no interest in politics"},
        {"role": "assistant", "content": "Fair question..."},
    ]
    assert count_prior_objections(history) == 1


# ── Instructions ──────────────────────────────────────────────────────────────

def test_each_objection_type_has_instruction():
    for obj_type in ("price", "time", "relevance", "skepticism", "genre", "alternatives"):
        assert obj_type in OBJECTION_HANDLING_INSTRUCTIONS
        assert len(OBJECTION_HANDLING_INSTRUCTIONS[obj_type]) > 40


def test_objection_instruction_empty_when_no_objection():
    assert get_objection_instruction(None) == ""


def test_repeat_objection_softens_the_counter():
    first = get_objection_instruction("price", prior_objections=0)
    repeat = get_objection_instruction("price", prior_objections=1)
    assert len(repeat) > len(first)
    assert "do not repeat" in repeat.lower()


# ── Personal anchor ───────────────────────────────────────────────────────────

def test_reading_anchor_uses_most_recent_tag():
    anchor = get_reading_anchor(["genre", "characters"])
    assert "characters" in anchor.lower() or "who they will meet" in anchor.lower()


def test_reading_anchor_empty_without_tags():
    assert get_reading_anchor([]) == ""


# ── Conversation stage ────────────────────────────────────────────────────────

def test_stage_discovery_on_early_turns():
    directive = get_conversation_stage_directive(0, 0.0)
    assert "DISCOVERY" in directive


def test_stage_decision_when_hot():
    directive = get_conversation_stage_directive(6, 0.9)
    assert "DECISION" in directive


def test_stage_consideration_mid_journey():
    directive = get_conversation_stage_directive(4, 0.6)
    assert "CONSIDERATION" in directive