from __future__ import annotations

from app.models.portfolio import PortfolioConfig
from app.pages.settings import _save_card_status_text


def test_portfolio_config_underlying_defaults_to_gld() -> None:
    """Verify PortfolioConfig underlying field defaults to GLD."""
    config = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=145_000.0)
    assert config.underlying == "GLD"


def test_portfolio_config_underlying_can_be_set_to_gc_f() -> None:
    """Verify PortfolioConfig underlying can be set to GC=F."""
    config = PortfolioConfig(
        gold_value=215_000.0,
        entry_price=215.0,
        loan_amount=145_000.0,
        underlying="GC=F",
    )
    assert config.underlying == "GC=F"


def test_save_card_status_text_for_clean_state() -> None:
    config = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=145_000.0)

    text = _save_card_status_text(config)

    assert text.startswith("Last saved:")
    assert "Unsaved changes" not in text
    assert "Unsaved invalid changes" not in text
    assert "Save failed" not in text


def test_save_card_status_text_for_dirty_state() -> None:
    last_saved = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=145_000.0)
    preview = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=150_000.0)

    text = _save_card_status_text(last_saved, preview_config=preview)

    assert text.startswith("Unsaved changes — Last saved:")


def test_save_card_status_text_for_invalid_state() -> None:
    config = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=145_000.0)

    text = _save_card_status_text(config, invalid=True)

    assert text.startswith("Unsaved invalid changes — Last saved:")


def test_save_card_status_text_for_save_failure() -> None:
    config = PortfolioConfig(gold_value=215_000.0, entry_price=215.0, loan_amount=145_000.0)

    text = _save_card_status_text(config, save_failed=True)

    assert text.startswith("Save failed — Last saved:")