"""Tests for scripts.vision_schema.M2DExtraction."""
from __future__ import annotations

import json
import sys
from datetime import datetime, timezone
from pathlib import Path

import pytest
from pydantic import ValidationError

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

from scripts.vision_schema import (  # noqa: E402
    M2DExtraction,
    parse_extraction,
    parse_extraction_dict,
)


def _buy_payload(**overrides) -> dict:
    base = {
        "screenshot_file": "dia-1min-example.png",
        "data": "2026-05-13",
        "ora_utc": "14:23",
        "instrument": "DIA",
        "directie": "Buy",
        "tf_mare": "5min",
        "tf_mic": "1min",
        "calitate": "Clară",
        "entry": 400.0,
        "sl": 399.0,
        "tp0": 400.5,
        "tp1": 401.0,
        "tp2": 402.0,
        "risc_pct": 0.25,
        "outcome_path": "TP0→TP1",
        "max_reached": "TP1",
        "be_moved": True,
        "confidence": "high",
        "ambiguities": [],
        "note": "",
    }
    base.update(overrides)
    return base


def _sell_payload(**overrides) -> dict:
    base = {
        "screenshot_file": "dia-sell.png",
        "data": "2026-05-13",
        "ora_utc": "15:00",
        "instrument": "US30",
        "directie": "Sell",
        "tf_mare": "15min",
        "tf_mic": "3min",
        "calitate": "Mai mare ca impuls",
        "entry": 400.0,
        "sl": 401.0,
        "tp0": 399.5,
        "tp1": 399.0,
        "tp2": 398.0,
        "risc_pct": 0.3,
        "outcome_path": "TP0→TP2",
        "max_reached": "TP2",
        "be_moved": False,
        "confidence": "medium",
        "ambiguities": ["entry overlap with wick"],
        "note": "nothing",
    }
    base.update(overrides)
    return base


def test_happy_path_buy():
    m = parse_extraction_dict(_buy_payload())
    assert m.directie == "Buy"
    assert m.entry == 400.0


def test_happy_path_sell():
    m = parse_extraction_dict(_sell_payload())
    assert m.directie == "Sell"
    assert m.sl > m.entry > m.tp0 > m.tp1 > m.tp2


def test_parse_extraction_from_json_str():
    payload = _buy_payload()
    m = parse_extraction(json.dumps(payload))
    assert isinstance(m, M2DExtraction)


@pytest.mark.parametrize(
    "field,bad_value",
    [
        ("directie", "Long"),
        ("instrument", "SPY"),
        ("tf_mare", "30min"),
        ("tf_mic", "2min"),
        ("calitate", "Bună"),
        ("outcome_path", "BE"),
        ("max_reached", "BE"),
        ("confidence", "very-high"),
    ],
)
def test_each_literal_rejection(field, bad_value):
    payload = _buy_payload(**{field: bad_value})
    with pytest.raises(ValidationError):
        parse_extraction_dict(payload)


def test_entry_equals_sl():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(entry=399.0, sl=399.0))


def test_buy_tp_inverted():
    # tp1 < tp0 violates ordering
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(tp0=401.0, tp1=400.5, tp2=402.0))


def test_buy_sl_above_entry_rejected():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(sl=400.5))


def test_sell_order_correct():
    m = parse_extraction_dict(_sell_payload())
    assert m.sl > m.entry
    assert m.entry > m.tp0
    assert m.tp0 > m.tp1 > m.tp2


def test_sell_order_inverted_rejected():
    # using Buy-ordering values with directie=Sell
    with pytest.raises(ValidationError):
        parse_extraction_dict(
            _sell_payload(sl=399.0, entry=400.0, tp0=400.5, tp1=401.0, tp2=402.0)
        )


def test_data_in_future():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(data="2099-01-01"))


def test_data_today_ok():
    today = datetime.now(timezone.utc).date().isoformat()
    m = parse_extraction_dict(_buy_payload(data=today))
    assert m.data == today


def test_outcome_path_sl_max_reached_inconsistent():
    with pytest.raises(ValidationError):
        parse_extraction_dict(
            _buy_payload(outcome_path="SL", max_reached="TP1")
        )


def test_outcome_path_sl_max_reached_sl_first_ok():
    m = parse_extraction_dict(
        _buy_payload(outcome_path="SL", max_reached="SL_first")
    )
    assert m.outcome_path == "SL"


def test_outcome_path_tp0_max_reached_sl_first_rejected():
    with pytest.raises(ValidationError):
        parse_extraction_dict(
            _buy_payload(outcome_path="TP0→TP1", max_reached="SL_first")
        )


def test_outcome_path_pending_any_max_reached_ok():
    m = parse_extraction_dict(
        _buy_payload(outcome_path="pending", max_reached="SL_first")
    )
    assert m.outcome_path == "pending"


def test_extra_field_forbidden():
    payload = _buy_payload()
    payload["unexpected_field"] = "x"
    with pytest.raises(ValidationError):
        parse_extraction_dict(payload)


def test_data_bad_format():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(data="2026/05/13"))


def test_data_bad_format_short():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(data="26-05-13"))


def test_ora_utc_bad_format():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(ora_utc="14:23:00"))


def test_ora_utc_bad_format_no_colon():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(ora_utc="1423"))


def test_ora_utc_invalid_hour():
    with pytest.raises(ValidationError):
        parse_extraction_dict(_buy_payload(ora_utc="25:00"))


def test_ambiguities_default_empty():
    payload = _buy_payload()
    del payload["ambiguities"]
    m = parse_extraction_dict(payload)
    assert m.ambiguities == []


def test_note_default_empty():
    payload = _buy_payload()
    del payload["note"]
    m = parse_extraction_dict(payload)
    assert m.note == ""