from pydantic import BaseModel, Field


class McAccountConfig(BaseModel):
    account_id: str = "default"
    enabled: bool = True
    name: str = ""
    host: str = Field(default="", description="Minecraft server address")
    port: int = Field(default=25565, ge=1, le=65535)
    version: str = Field(default="auto", description="auto | 1.20.4 | 1.21.4")
    auth_mode: str = Field(default="offline", description="offline | microsoft | mojang")
    username: str = Field(default="ForcePilotBot", description="Bot player name")
    microsoft_email: str | None = None
    microsoft_password: str | None = None
    rcon_port: int = 25575
    rcon_password: str | None = None
    dm_enabled: bool = False
    dm_policy: str = Field(default="pairing", description="open | pairing | allowlist | disabled")
    group_policy: str = Field(default="mention", description="always | mention | disabled")
    require_mention: bool = True
    allow_from: list[str] = Field(default_factory=list)
    text_chunk_limit: int = Field(default=256, ge=100, le=256)
    reconnect_max_retries: int = Field(default=5, ge=0, le=100)
    keep_alive_timeout: int = Field(default=30, ge=10, le=120)
    rate_limit_window: int = Field(default=10, ge=1, le=60)
    rate_limit_max: int = Field(default=5, ge=1, le=20)

    @property
    def is_configured(self) -> bool:
        return bool(self.host and self.username)


class McConfig(BaseModel):
    host: str = ""
    port: int = 25565
    version: str = "auto"
    auth_mode: str = "offline"
    username: str = "ForcePilotBot"
    dm_policy: str = "pairing"
    group_policy: str = "mention"
    require_mention: bool = True
    allow_from: list[str] = Field(default_factory=list)
    text_chunk_limit: int = 256
    reconnect_max_retries: int = 5
    keep_alive_timeout: int = 30
    rate_limit_window: int = 10
    rate_limit_max: int = 5
    accounts: list[McAccountConfig] = Field(default_factory=list)

    def get_account(self, account_id: str = "default") -> McAccountConfig | None:
        for acc in self.accounts:
            if acc.account_id == account_id:
                return acc
        return None


def build_config_schema() -> dict:
    return {
        "type": "object",
        "properties": {
            "channels.minecraft.host": {
                "type": "string",
                "description": "Minecraft server address",
            },
            "channels.minecraft.port": {
                "type": "integer",
                "default": 25565,
                "description": "Server port",
            },
            "channels.minecraft.version": {
                "type": "string",
                "default": "auto",
                "enum": ["auto", "1.20.4", "1.21", "1.21.1", "1.21.2", "1.21.3", "1.21.4", "1.21.5"],
                "description": "Minecraft version (auto-detect by default)",
            },
            "channels.minecraft.auth_mode": {
                "type": "string",
                "enum": ["offline", "microsoft", "mojang"],
                "default": "offline",
                "description": "Authentication mode",
            },
            "channels.minecraft.username": {
                "type": "string",
                "default": "ForcePilotBot",
                "description": "Bot player name in game",
            },
            "channels.minecraft.group_policy": {
                "type": "string",
                "enum": ["always", "mention", "disabled"],
                "default": "mention",
                "description": "Group chat access policy",
            },
            "channels.minecraft.require_mention": {
                "type": "boolean",
                "default": True,
                "description": "Require @mention to respond in group chat",
            },
            "channels.minecraft.allow_from": {
                "type": "array",
                "items": {"type": "string"},
                "description": "Allowlist of player usernames",
            },
            "channels.minecraft.text_chunk_limit": {
                "type": "integer",
                "default": 256,
                "description": "Max characters per Minecraft chat message",
            },
            "channels.minecraft.reconnect_max_retries": {
                "type": "integer",
                "default": 5,
                "description": "Maximum reconnection attempts",
            },
            "channels.minecraft.accounts": {
                "type": "array",
                "description": "Named accounts for multiple servers",
                "items": {
                    "type": "object",
                    "properties": {
                        "account_id": {"type": "string"},
                        "name": {"type": "string"},
                        "enabled": {"type": "boolean", "default": True},
                        "host": {"type": "string", "description": "Minecraft server address"},
                        "port": {"type": "integer", "default": 25565},
                        "version": {"type": "string", "default": "auto"},
                        "auth_mode": {
                            "type": "string",
                            "enum": ["offline", "microsoft", "mojang"],
                            "default": "offline",
                        },
                        "username": {"type": "string", "default": "ForcePilotBot"},
                        "dm_policy": {
                            "type": "string",
                            "enum": ["pairing", "allowlist", "open", "disabled"],
                            "default": "pairing",
                        },
                        "rcon_port": {
                            "type": "integer",
                            "default": 25575,
                        },
                        "rcon_password": {
                            "type": "string",
                            "format": "password",
                        },
                        "microsoft_email": {
                            "type": "string",
                        },
                        "microsoft_password": {
                            "type": "string",
                            "format": "password",
                        },
                        "reconnect_max_retries": {
                            "type": "integer",
                            "default": 10,
                            "minimum": 0,
                        },
                        "text_chunk_limit": {
                            "type": "integer",
                            "default": 256,
                            "minimum": 100,
                            "maximum": 256,
                        },
                        "group_policy": {
                            "type": "string",
                            "enum": ["always", "mention", "disabled"],
                            "default": "mention",
                        },
                        "require_mention": {"type": "boolean", "default": True},
                        "allow_from": {
                            "type": "array",
                            "items": {"type": "string"},
                        },
                    },
                },
            },
        },
    }