"""Stakeholder presentations — PRESENTATION_SYSTEM.md."""
from __future__ import annotations

import random

from . import economy, fallbacks, llm, prompts, validator
from .state import TOTAL_CRISES, GameState
from .trace import trace


def start(state: GameState) -> None:
    extended = state.scrutiny_high_streak >= 3 or state.morale < 20
    presenting_npc, npc_state = _presence(state)
    # pre-assign DISTINCT logged events as per-round topics. Left to its own
    # devices the model re-asks the same question every round; pinning each
    # option round to a different event (and telling it what's already covered)
    # is what actually stops the repeats.
    topics = list(state.event_log)
    random.shuffle(topics)
    state.presentation = {
        "round": 0,
        "total_rounds": 4 if extended else 3,
        "extended": extended,
        "transcript": [],
        "presenting_npc": presenting_npc,
        "npc_state": npc_state,
        "wrong_slide_pending": npc_state == "romance",
        "final": state.crisis_number == TOTAL_CRISES,
        "score": None,
        "topics": topics,
    }


def _presence(state: GameState) -> tuple[str, str]:
    """Pick the presenting NPC and their state per PRESENTATION_SYSTEM.md."""
    for npc_id, npc in state.npcs.items():
        if npc.romance_active:
            return npc_id, "romance"
    for npc_id, npc in state.npcs.items():
        if npc.personal_situation:
            return npc_id, "grief"
    for npc_id, npc in state.npcs.items():
        if npc.consecutive_praise >= 2:
            return npc_id, "overprepared"
    for npc_id, npc in state.npcs.items():
        if npc.relationship < 30:
            return npc_id, "bare_minimum"
    for npc_id, npc in state.npcs.items():
        if npc.relationship > 65 and npc.gifts_received > 0:
            return npc_id, "advocate"
    return "kevin", "normal"  # Kevin always has slides. Kevin IS slides.


_PRESENCE_NOTES = {
    "romance": "The presenting NPC is romantically involved with the player. "
               "Their deck contains a wrong slide: a photo of the player with "
               "hand-drawn hearts. The board has seen it. Round 1 is about it.",
    "grief": "The presenting NPC is going through something personal. Grey "
             "slides, melancholy titles, trailing off mid-sentence. The board "
             "may ask if the team is okay before asking about numbers.",
    "overprepared": "The presenting NPC has received excessive praise and "
                    "produced far more slides than requested. They will not "
                    "be redirected easily.",
    "bare_minimum": "The presenting NPC was treated harshly this quarter. "
                    "Three slides where eight were expected. One-sentence "
                    "answers. The board notices the energy.",
    "advocate": "The presenting NPC has a strong relationship with the player. "
                "Their section is unusually strong and advocates for the "
                "player's leadership unprompted.",
    "normal": "The presenting NPC prepared the slides. The slides are wrong "
              "in the normal way: confidently.",
}


def advance(state: GameState, response_type: str, text: str) -> dict:
    """Record the player's answer (if any) and produce the next round —
    or the final outcome after the last round."""
    p = state.presentation
    if p is None:
        raise ValueError("no active presentation")

    if p["round"] > 0:
        if not text and not response_type:
            # repeated "start" call (client retry/double-fire): re-serve the
            # current round instead of advancing on an empty answer
            if p.get("last_round"):
                trace("flow", f"presentation round {p['round']} re-served "
                              "(duplicate start call)")
                return p["last_round"]
        trace("flow", f"presentation answer r{p['round']} [{response_type}]"
                      + (f" \"{text}\"" if text else ""))
        p["transcript"][-1]["player_response"] = text or response_type

    if p["round"] >= p["total_rounds"]:
        return _finish(state)

    p["round"] += 1
    round_no = p["round"]
    closing = round_no >= 3
    call_type = "presentation_closing" if closing else "presentation_round"

    # round 1 & 2 each get a distinct assigned topic; closing rounds synthesize
    topics = p.get("topics") or []
    covered = topics[:round_no - 1]
    topic = topics[round_no - 1] if (not closing and round_no - 1 < len(topics)) \
        else None
    system, user = prompts.presentation_prompt(
        state, round_no, p["total_rounds"], p["transcript"],
        _PRESENCE_NOTES[p["npc_state"]], topic=topic, covered=covered)
    prev_dialogues = tuple(t["board_dialogue"] for t in p["transcript"])
    payload = llm.call_validated(
        state, call_type, system, user,
        lambda pl: validator.validate_presentation(pl, state, round_no,
                                                   closing, prev_dialogues),
        round_no=round_no, transcript=p["transcript"])
    if payload is None:
        state.fallback_count += 1
        trace("flow", f"FALLBACK presentation round {round_no} "
                      f"(#{state.fallback_count} this session)")
        last = state.event_log[-1] if state.event_log else "the quarter so far"
        payload = fallbacks.presentation_fallback(round_no, last)
    trace("flow", f"board r{round_no}/{p['total_rounds']} tone={payload['board_tone']} "
                  f"diff={payload['round_difficulty']} "
                  f"ref=\"{str(payload['event_referenced'])[:60]}\"")

    p["transcript"].append({
        "round": round_no,
        "board_dialogue": payload["board_dialogue"],
        "player_response": None,
    })
    if closing and "cumulative_score" in payload:
        p["score"] = payload["cumulative_score"]

    wrong_slide = p["wrong_slide_pending"] and round_no == 1
    if wrong_slide:
        p["wrong_slide_pending"] = False

    p["last_round"] = {
        "kind": "round",
        "round": round_no,
        "total_rounds": p["total_rounds"],
        "board_tone": payload["board_tone"],
        "board_dialogue": payload["board_dialogue"],
        "option_a": payload.get("option_a"),
        "option_b": payload.get("option_b"),
        "input_only": closing,
        "presenting_npc": p["presenting_npc"],
        "npc_state": p["npc_state"],
        "wrong_slide": wrong_slide,
        "is_last_round": round_no >= p["total_rounds"],
    }
    return p["last_round"]


def _finish(state: GameState) -> dict:
    p = state.presentation
    score = p["score"] if p["score"] is not None else 50

    # sanity floor: the model scores conservatively (~50) even for strong
    # answers, so substantive answers earn a rising baseline — this is what
    # lets good presentations actually swing positive instead of netting zero.
    answers = [t.get("player_response") or "" for t in p["transcript"]]
    substantive = sum(1 for a in answers if len(a) >= 30)
    floor = min(72, 40 + 11 * substantive)
    if score < floor:
        trace("vald", f"score floor: model said {score}, {substantive} "
                      f"substantive answers -> floor {floor}")
        score = floor

    # round 4 self-awareness adjustment
    if p["total_rounds"] == 4 and p["transcript"]:
        final_answer = p["transcript"][-1].get("player_response") or ""
        if len(final_answer) > 60:
            state.morale = min(100, state.morale + 5)
        else:
            state.morale = max(0, state.morale - 5)

    swing = int((score - 50) / 50 * 200_000)
    applied = economy.apply_revenue(state, swing)
    budget_unlock = 0
    if score >= 70:
        budget_unlock = 10_000
        state.company_budget += budget_unlock
    if score >= 75:
        economy.lower_scrutiny(state)
    elif score <= 35:
        economy.raise_scrutiny(state)
    if score >= 60:
        state.morale = min(100, state.morale + 4)
    elif score <= 40:
        state.morale = max(0, state.morale - 6)

    titles = {
        (75, 101): "Quarterly Survivor, Decorated",
        (50, 75): "Presenter of Acceptable Truths",
        (25, 50): "Director of Damage Adjacent",
        (0, 25): "Subject of a Drafted Document",
    }
    for (lo, hi), title in titles.items():
        if lo <= score < hi:
            state.boss_title = title
            break

    sign = "+" if applied >= 0 else "-"
    log = (f"Stakeholder presentation at event {state.crisis_number}: "
           f"scored {score}/100. {sign}${abs(applied) // 1000}K.")
    state.log(f"Event {state.crisis_number} — {log}")
    state.trail("board", log, applied)

    final = p["final"]
    trace("flow", f"presentation DONE: score={score} swing={applied:+,} "
                  f"budget+{budget_unlock} scrutiny={state.board_scrutiny} "
                  f"morale={state.morale}")
    state.presentation = None
    state.current_event = None
    state.phase = "review" if final else "free_roam"

    return {
        "kind": "outcome",
        "score": score,
        "revenue_delta": applied,
        "budget_unlock": budget_unlock,
        "board_scrutiny_public": state.board_scrutiny in ("high", "critical"),
        "boss_title": state.boss_title,
        "final": final,
    }


def quarterly_review(state: GameState) -> dict:
    tier = economy.ending_tier(state)
    system, user = prompts.verdict_prompt(state, tier)
    payload, _live = llm.call_model(state, "verdict", system, user, tier=tier)
    payload = validator.validate_verdict(payload) if payload else None
    if payload is None:
        state.fallback_count += 1
        trace("flow", "FALLBACK verdict")
        payload = fallbacks.verdict_fallback(tier)
    trace("flow", f"QUARTER OVER: tier={tier} revenue=${state.revenue:,} "
                  f"fallbacks={state.fallback_count} morale={state.morale}")

    highlights = sorted(state.paper_trail, key=lambda e: abs(e["delta"]),
                        reverse=True)[:5]
    review = {
        "tier": tier,
        "final_revenue": state.revenue,
        "target": state.target,
        "gap": state.revenue - state.target,
        "boss_title": state.boss_title,
        "crises_survived": state.crisis_number,
        "press_disasters": state.newspaper_count,
        "highlights": highlights,
        "verdict": payload["verdict"],
    }
    state.review = review
    state.game_over = True
    state.phase = "review"
    return review