#!/usr/bin/env python3
"""Tests for deploy_config_validator.py"""

import json
import sys
import os
import pytest

sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
from scripts.deploy_config_validator import (
    validate_yaml_syntax,
    validate_required_keys,
    validate_provider_chain,
    validate_value_types,
    validate_config,
    detect_config_type,
    ValidationError,
)


class TestYAMLSyntax:
    def test_valid_yaml(self):
        data, errors = validate_yaml_syntax("key: value\nlist:\n  - a\n  - b\n")
        assert data is not None
        assert len(errors) == 0

    def test_invalid_yaml(self):
        data, errors = validate_yaml_syntax("key: [unclosed")
        assert data is None
        assert len(errors) > 0

    def test_empty_yaml(self):
        data, errors = validate_yaml_syntax("")
        assert data is None
        assert any("empty" in e.message for e in errors)

    def test_tabs_warning(self):
        data, errors = validate_yaml_syntax("key:\tvalue\n")
        assert any("tab" in e.message for e in errors)


class TestRequiredKeys:
    def test_missing_key(self):
        errors = validate_required_keys({}, "hermes")
        assert any("providers" in e.message for e in errors)

    def test_wrong_type(self):
        errors = validate_required_keys({"providers": "not-a-list"}, "hermes")
        assert any("expected list" in e.message for e in errors)

    def test_valid(self):
        errors = validate_required_keys({"providers": []}, "hermes")
        provider_errors = [e for e in errors if "providers" in e.message and "missing" in e.message]
        assert len(provider_errors) == 0


class TestProviderChain:
    def test_empty_providers(self):
        errors = validate_provider_chain({"providers": []})
        assert any("empty" in e.message for e in errors)

    def test_missing_name(self):
        errors = validate_provider_chain({"providers": [{"model": "test", "base_url": "http://x"}]})
        assert any("name" in e.message and "missing" in e.message for e in errors)

    def test_banned_provider(self):
        errors = validate_provider_chain({"providers": [
            {"name": "anthropic", "model": "claude-3", "base_url": "http://x"}
        ]})
        assert any("banned provider" in e.message for e in errors)

    def test_banned_model(self):
        errors = validate_provider_chain({"providers": [
            {"name": "test", "model": "claude-sonnet-4", "base_url": "http://x"}
        ]})
        assert any("banned model" in e.message for e in errors)

    def test_valid_providers(self):
        errors = validate_provider_chain({"providers": [
            {"name": "kimi-coding", "model": "kimi-k2.5", "base_url": "https://api.kimi.com/v1"}
        ]})
        provider_errors = [e for e in errors if e.severity == "error"]
        assert len(provider_errors) == 0


class TestValueTypes:
    def test_string_port(self):
        errors = validate_value_types({"port": "8080"})
        assert any("port" in e.path and "number" in e.message for e in errors)

    def test_valid_port(self):
        errors = validate_value_types({"port": 8080})
        port_errors = [e for e in errors if "port" in e.path]
        assert len(port_errors) == 0

    def test_bad_url(self):
        errors = validate_value_types({"base_url": "not-a-url"})
        assert any("URL" in e.message for e in errors)


class TestDetectConfigType:
    def test_hermes(self):
        t = detect_config_type({"providers": [], "display": {}})
        assert t == "hermes"

    def test_ansible(self):
        t = detect_config_type({"all": {"children": {"wizards": {}}}})
        assert t == "ansible_inventory"

    def test_unknown(self):
        t = detect_config_type({"random": "data"})
        assert t == "any"


class TestFullValidation:
    def test_valid_hermes_config(self):
        text = """
providers:
  - name: kimi-coding
    model: kimi-k2.5
    base_url: https://api.kimi.com/coding/v1
    timeout: 120
display:
  skin: default
"""
        errors = validate_config(text, "hermes")
        assert not any(e.severity == "error" for e in errors)

    def test_banned_provider_catches(self):
        text = """
providers:
  - name: anthropic
    model: claude-sonnet-4
    base_url: https://api.anthropic.com
"""
        errors = validate_config(text, "hermes")
        assert any("banned" in e.message for e in errors)

    def test_missing_providers(self):
        text = "display:\n  skin: default\n"
        errors = validate_config(text, "hermes")
        assert any("providers" in e.message and "missing" in e.message for e in errors)