# -*- coding: utf-8 -*-

from backend.agents.skills_manager import SkillsManager
from backend.skills.builtin.valuation_review.scripts.dcf_report import (
    build_dcf_report,
)
from backend.skills.builtin.valuation_review.scripts.multiple_valuation_report import (
    build_ev_ebitda_report,
    build_residual_income_report,
)
from backend.skills.builtin.valuation_review.scripts.owner_earnings_report import (
    build_owner_earnings_report,
)


def test_build_dcf_report_renders_assessment():
    report = build_dcf_report(
        [
            {
                "ticker": "AAPL",
                "current_fcf": 100.0,
                "growth_rate": 0.05,
                "market_cap": 900.0,
                "discount_rate": 0.10,
                "terminal_growth": 0.03,
                "num_years": 5,
            },
        ],
        "2026-03-17",
    )

    assert "DCF Valuation Analysis (2026-03-17)" in report
    assert "AAPL:" in report
    assert "Market Cap: $900" in report
    assert "Value Gap:" in report


def test_build_owner_earnings_report_handles_errors():
    report = build_owner_earnings_report(
        [
            {
                "ticker": "MSFT",
                "error": "Negative owner earnings ($-50)",
            },
        ],
        "2026-03-17",
    )

    assert "MSFT: Negative owner earnings ($-50)" in report


def test_multiple_valuation_reports_render_expected_sections():
    ev_report = build_ev_ebitda_report(
        [
            {
                "ticker": "NVDA",
                "current_multiple": 18.0,
                "median_multiple": 20.0,
                "current_ebitda": 50.0,
                "market_cap": 800.0,
                "net_debt": 100.0,
            },
        ],
        "2026-03-17",
    )
    residual_report = build_residual_income_report(
        [
            {
                "ticker": "META",
                "book_value": 200.0,
                "initial_ri": 30.0,
                "market_cap": 300.0,
                "cost_of_equity": 0.10,
                "bv_growth": 0.03,
                "terminal_growth": 0.03,
                "num_years": 5,
                "margin_of_safety": 0.20,
            },
        ],
        "2026-03-17",
    )

    assert "EV/EBITDA Valuation (2026-03-17)" in ev_report
    assert "NVDA:" in ev_report
    assert "Residual Income Valuation (2026-03-17)" in residual_report
    assert "META:" in residual_report


def test_prepare_active_skills_copies_skill_scripts(tmp_path):
    builtin_skill = tmp_path / "backend" / "skills" / "builtin" / "valuation_review"
    scripts_dir = builtin_skill / "scripts"
    scripts_dir.mkdir(parents=True, exist_ok=True)
    (builtin_skill / "SKILL.md").write_text(
        "---\nname: 估值分析\ndescription: desc\nversion: 1.0.0\n---\n",
        encoding="utf-8",
    )
    (scripts_dir / "dcf_report.py").write_text("print('ok')\n", encoding="utf-8")

    manager = SkillsManager(project_root=tmp_path)
    active_map = manager.prepare_active_skills(
        config_name="demo",
        agent_defaults={"valuation_analyst": ["valuation_review"]},
    )

    active_dir = active_map["valuation_analyst"][0]
    assert (active_dir / "scripts" / "dcf_report.py").exists()