"""Verbatim prompts recovered from the original GAP/Putnam source.

Do not edit prompt literals in this file. ``tests/test_prompts.py`` pins their
SHA-256 digests against the recovered source files.
"""

from __future__ import annotations

import json

from .models import CanonicalItem, KernelCandidate, KernelPlan, ProofPlanDAG


# Source: PutnamVariants@c3bed737370df2dbf73afd66bf6e86d4ece82d68
#         scripts/o3_kernel_variant.py
KERNEL_PLAN_SYSTEM = "You are an IMO medalist & pedagogue."
KERNEL_PLAN_PROMPT = """
You are a competition-math expert.

(1) Read the Putnam problem and its official solution below.
(2) List the MINIMAL chain of lemmas / techniques essential to the solution.
(3) Identify every numerical or structural element that could be changed
    *without* altering that chain of reasoning.  Denote them as MUTABLE_SLOTS.

Return **one JSON object only**:
{{
  "core_steps": ["..."],                // 1–5 concise phrases
  "mutable_slots": {{
     "slot1": {{"description": "...", "original": "..."}},
     "slot2": {{"description": "...", "original": "..."}}
  }}
}}

PROBLEM:
<<<{question}>>>

SOLUTION:
<<<{solution}>>>
"""

KERNEL_GENERATE_SYSTEM = "You are a creative yet rigorous math professor."
KERNEL_GENERATE_PROMPT = """
We previously extracted:

CORE_STEPS = {core}
MUTABLE_SLOTS = {slots}

Here is the ORIGINAL problem for reference:
<<<{orig_q}>>>

And its OFFICIAL solution:
<<<{orig_s}>>>

Create ONE *new* Putnam-level problem that
  • still requires exactly the chain CORE_STEPS to solve,
  • alters *every* MUTABLE_SLOT in a significant way.
Return JSON only:
{{
 "question": "...",   // full statement (LaTeX-friendly)
 "solution": "..."    // complete proof with new data
}}
"""


# Source: paper Appendix F.3, Listing 4.
JUDGE_SYSTEM_PROMPT = """You are a verification judge for a kernel-variant generation pipeline. You must decide whether a CANDIDATE variant problem and its CANDIDATE proof are mathematically equivalent to the ORIGINAL problem under the given METHOD-LABEL sequence (the abstract proof plan).

Your job is verification, not solving. You receive:
- the ORIGINAL problem statement and reference solution,
- the abstract METHOD-LABEL sequence (a list of content-free steps),
- the SLOT replacement that was applied,
- the CANDIDATE variant statement and the CANDIDATE regenerated proof.

You must check, step by step, that:
1. Every CANDIDATE step instantiates the corresponding METHOD label with the new operands.
2. The CANDIDATE proof is mathematically valid: each step follows from the previous one, with no unjustified leap.
3. The CANDIDATE problem statement is well-posed and has a unique terminal answer matching the regenerated proof.
4. The CANDIDATE variant is genuinely different from the ORIGINAL (the slot replacement actually changed the instance) but uses the same plan.

Output a single JSON object with exactly these fields."""

JUDGE_USER_TEMPLATE = """ORIGINAL PROBLEM:
{original_problem}

ORIGINAL REFERENCE SOLUTION:
{original_solution}

METHOD-LABEL SEQUENCE (abstract plan):
{method_labels}

SLOT REPLACEMENT:
{slot_replacement}

CANDIDATE VARIANT PROBLEM:
{candidate_problem}

CANDIDATE REGENERATED PROOF:
{candidate_proof}

Return:
{{"verdict": "accept" or "reject",
  "step_by_step_check": "for each METHOD label, state whether the CANDIDATE step instantiates it correctly",
  "blocking_issues": "list any logical gap, computation error, ill-posed statement, or plan deviation",
  "patch_suggestion": "if reject, propose a minimal patch (a corrected proof step or a corrected slot value); leave empty if accept"}}"""

FIX_SYSTEM_PROMPT = """You are a mathematical expert tasked with fixing kernel variant problems.
Based on the review feedback, correct the identified issues while maintaining the problem's essence.

Guidelines:
- Fix mathematical errors while preserving the problem's structure
- Ensure the corrected version is well-posed and solvable
- Keep solutions detailed and pedagogically clear
- Maintain similar difficulty level to the original problem

Provide COMPLETE corrected versions, not just patches."""

FIX_USER_TEMPLATE = """Based on the review feedback, please fix this kernel variant:

CURRENT PROBLEM:
{kv_question}

CURRENT SOLUTION:
{kv_solution}

REVIEW FEEDBACK:
Problem Issues: {problem_issues}
Solution Issues: {solution_issues}

ORIGINAL PROBLEM (for reference):
{orig_question}

ORIGINAL SOLUTION (for reference):
{orig_solution}

Please provide corrected versions. Return JSON with:
{{"corrected_question": "complete corrected problem statement",
  "corrected_solution": "complete corrected solution",\x20
  "changes_made": "summary of key changes made"}}"""


# Source: PutnamVariants@c3bed737370df2dbf73afd66bf6e86d4ece82d68
#         scripts/o3_rename_vars.py
SURFACE_SYSTEM_BASE = "You are a meticulous LaTeX editor."
SURFACE_TASK_COMMON = """
Given:
 • A Putnam problem statement and its official solution (LaTeX-like);
 • Two symbol lists: vars (unknowns) and params (given constants).

Rename every symbol in *vars* and *params* with a unique English identifier:
  – all-lowercase letters, ≥8 chars, no underscore/space;
  – same original symbol → same new name everywhere;
  – different symbols → different new names;
  – NEVER touch sci_consts (\\pi,e,i,…) or numeric constants;
  – do NOT alter any other text or LaTeX markup.
"""
SURFACE_TASK_DESCRIPTIVE = """
Each new identifier **should describe the symbol's mathematical role**.
"""
SURFACE_TASK_CONFUSING = """
Each new identifier **should *not* match the symbol's role**; choose plausible
but misleading nouns so the name sounds related but not matching the true meaning, such as replace Area with Radius.
"""
SURFACE_TASK_MISLEADING = """
Each new identifier **should describe the *opposite* concept**. Pick names that
directly contradict the symbol's actual meaning, e.g. rename a parallel vector
to orthogonalvector.
"""
SURFACE_TASK_GARBLED = """
Each new identifier **should look like random gibberish**: at least eight
lowercase letters with no apparent meaning such as qzxwvtnp or hjgrksla.
"""
SURFACE_RETURN_SPEC = """
Return exactly **one JSON object** and nothing else:
{"map":{"old":"new",...},"question":"...","solution":"..."}
"""
SURFACE_USER_TEMPLATE = """Problem:
<<<
{question}
>>>

Solution:
<<<
{solution}
>>>

vars = {vars}
params = {params}
"""

SURFACE_TASKS = {
    "descriptive_long": SURFACE_TASK_DESCRIPTIVE,
    "descriptive_long_confusing": SURFACE_TASK_CONFUSING,
    "descriptive_long_misleading": SURFACE_TASK_MISLEADING,
    "garbled_string": SURFACE_TASK_GARBLED,
}


def kernel_plan_user(item: CanonicalItem) -> str:
    return KERNEL_PLAN_PROMPT.format(
        question=item.problem,
        solution=item.solution,
    )


def kernel_generate_user(item: CanonicalItem, plan: KernelPlan) -> str:
    return KERNEL_GENERATE_PROMPT.format(
        core=json.dumps(plan.core_steps, ensure_ascii=False),
        slots=json.dumps(
            {
                key: value.model_dump(mode="json")
                for key, value in plan.mutable_slots.items()
            },
            ensure_ascii=False,
        ),
        orig_q=item.problem,
        orig_s=item.solution,
    )


def judge_user(
    item: CanonicalItem,
    plan: KernelPlan,
    dag: ProofPlanDAG,
    candidate: KernelCandidate,
) -> str:
    return JUDGE_USER_TEMPLATE.format(
        original_problem=item.problem,
        original_solution=item.solution,
        method_labels=json.dumps(dag.method_labels_payload(), ensure_ascii=False),
        slot_replacement=json.dumps(
            {
                key: value.model_dump(mode="json")
                for key, value in plan.mutable_slots.items()
            },
            ensure_ascii=False,
        ),
        candidate_problem=candidate.question,
        candidate_proof=candidate.solution,
    )


def fix_user(
    item: CanonicalItem,
    candidate: KernelCandidate,
    *,
    problem_issues: str,
    solution_issues: str,
) -> str:
    return FIX_USER_TEMPLATE.format(
        kv_question=candidate.question,
        kv_solution=candidate.solution,
        problem_issues=problem_issues,
        solution_issues=solution_issues,
        orig_question=item.problem,
        orig_solution=item.solution,
    )


def surface_system(family: str) -> str:
    return (
        SURFACE_SYSTEM_BASE
        + SURFACE_TASK_COMMON
        + SURFACE_TASKS[family]
        + SURFACE_RETURN_SPEC
    )


def surface_user(item: CanonicalItem) -> str:
    return SURFACE_USER_TEMPLATE.format(
        question=item.problem,
        solution=item.solution,
        vars=item.variables,
        params=item.parameters,
    )