from __future__ import annotations

import pytest
from pydantic import ValidationError

from yuxi.channels.adapters.imessage.config_schema import (
    DmPolicyEnum,
    GroupOverrideConfig,
    GroupPolicyEnum,
    IMessageAccountConfig,
    IMessageConnectionConfig,
    IMessageFullConfig,
    IMessageSecurityConfigSchema,
    validate_config,
)


class TestDmPolicyEnum:
    def test_values(self):
        assert DmPolicyEnum.PAIRING.value == "pairing"
        assert DmPolicyEnum.ALLOWLIST.value == "allowlist"
        assert DmPolicyEnum.OPEN.value == "open"
        assert DmPolicyEnum.DISABLED.value == "disabled"

    def test_coercion(self):
        schema = IMessageSecurityConfigSchema(dm_policy="open")
        assert schema.dm_policy == DmPolicyEnum.OPEN

    def test_coercion_invalid(self):
        schema = IMessageSecurityConfigSchema(dm_policy="invalid_policy")
        assert schema.dm_policy == DmPolicyEnum.PAIRING


class TestGroupPolicyEnum:
    def test_values(self):
        assert GroupPolicyEnum.OPEN.value == "open"
        assert GroupPolicyEnum.ALLOWLIST.value == "allowlist"
        assert GroupPolicyEnum.DISABLED.value == "disabled"

    def test_coercion_invalid(self):
        schema = IMessageSecurityConfigSchema(group_policy="invalid")
        assert schema.group_policy == GroupPolicyEnum.ALLOWLIST


class TestIMessageConnectionConfig:
    def test_defaults(self):
        cfg = IMessageConnectionConfig()
        assert cfg.server_url == "http://localhost:1234"
        assert cfg.password == ""
        assert cfg.probe_timeout_ms == 10000
        assert cfg.max_retries == 3
        assert cfg.http_timeout_s == 30.0

    def test_custom_values(self):
        cfg = IMessageConnectionConfig(
            server_url="http://mac.local:4321",
            password="secret",
            probe_timeout_ms=5000,
            max_retries=5,
            http_timeout_s=60.0,
        )
        assert cfg.server_url == "http://mac.local:4321"
        assert cfg.password == "secret"
        assert cfg.probe_timeout_ms == 5000
        assert cfg.max_retries == 5
        assert cfg.http_timeout_s == 60.0

    def test_probe_timeout_out_of_range(self):
        with pytest.raises(ValidationError):
            IMessageConnectionConfig(probe_timeout_ms=500)

    def test_max_retries_out_of_range(self):
        with pytest.raises(ValidationError):
            IMessageConnectionConfig(max_retries=0)


class TestIMessageSecurityConfigSchema:
    def test_defaults(self):
        cfg = IMessageSecurityConfigSchema()
        assert cfg.dm_policy == DmPolicyEnum.PAIRING
        assert cfg.group_policy == GroupPolicyEnum.ALLOWLIST
        assert cfg.allow_from == []
        assert cfg.group_allow_from == []
        assert cfg.require_mention is False

    def test_custom_values(self):
        cfg = IMessageSecurityConfigSchema(
            dm_policy=DmPolicyEnum.OPEN,
            group_policy=GroupPolicyEnum.OPEN,
            allow_from=["+8613800138000"],
            group_allow_from=["iMessage;-;group001"],
            require_mention=True,
        )
        assert cfg.dm_policy == DmPolicyEnum.OPEN
        assert cfg.group_policy == GroupPolicyEnum.OPEN
        assert "+8613800138000" in cfg.allow_from
        assert "iMessage;-;group001" in cfg.group_allow_from
        assert cfg.require_mention is True


class TestIMessageFullConfig:
    def test_defaults(self):
        cfg = IMessageFullConfig()
        assert cfg.name == "iMessage"
        assert cfg.block_streaming is False
        assert cfg.text_chunk_limit == 4096
        assert cfg.media_max_mb == 100
        assert cfg.history_limit == 20
        assert cfg.include_attachments is False
        assert cfg.accounts == {}
        assert cfg.groups == {}
        assert cfg.loop_rate_limit == 5

    def test_text_chunk_limit_out_of_range(self):
        with pytest.raises(ValidationError):
            IMessageFullConfig(text_chunk_limit=50)

    def test_accounts_from_list(self):
        cfg = IMessageFullConfig(
            accounts=[
                IMessageAccountConfig(account_id="acct1"),
                IMessageAccountConfig(account_id="acct2"),
            ]
        )
        assert len(cfg.accounts) == 2
        assert "acct1" in cfg.accounts
        assert "acct2" in cfg.accounts

    def test_accounts_none_coerced_to_dict(self):
        cfg = IMessageFullConfig(accounts=None)
        assert cfg.accounts == {}


class TestGroupOverrideConfig:
    def test_defaults(self):
        cfg = GroupOverrideConfig()
        assert cfg.enabled is None
        assert cfg.require_mention is None
        assert cfg.tools is None

    def test_custom_values(self):
        cfg = GroupOverrideConfig(enabled=True, require_mention=True, tools=["calc", "weather"])
        assert cfg.enabled is True
        assert cfg.require_mention is True
        assert cfg.tools == ["calc", "weather"]


class TestValidateConfig:
    def test_basic_valid_config(self):
        result = validate_config({"server_url": "http://localhost:1234", "password": "test"})
        assert isinstance(result, IMessageFullConfig)

    def test_empty_config(self):
        result = validate_config({})
        assert isinstance(result, IMessageFullConfig)

    def test_dm_policy_string(self):
        result = validate_config({"security": {"dm_policy": "open"}})
        assert result.security.dm_policy == DmPolicyEnum.OPEN

    def test_block_streaming(self):
        result = validate_config({"block_streaming": True})
        assert result.block_streaming is True

    def test_ws_reconnect_params(self):
        result = validate_config({"ws_reconnect_initial_delay": 10.0})
        assert result.ws_reconnect_initial_delay == 10.0

    def test_loop_rate_params(self):
        result = validate_config(
            {"loop_rate_limit": 10, "loop_rate_window_s": 120.0, "loop_cooldown_s": 300.0}
        )
        assert result.loop_rate_limit == 10
        assert result.loop_rate_window_s == 120.0
        assert result.loop_cooldown_s == 300.0