"""Configuration view/edit Pydantic models.

Request, response, and domain models for the config router and service.
"""

from pydantic import BaseModel, ConfigDict, Field


class JailConfigUpdate(BaseModel):
    """Payload for ``PUT /api/config/jails/{name}``."""

    model_config = ConfigDict(strict=True)

    ban_time: int | None = Field(default=None, description="Ban duration in seconds. -1 for permanent.")
    max_retry: int | None = Field(default=None, ge=1)
    find_time: int | None = Field(default=None, ge=1)
    fail_regex: list[str] | None = Field(default=None, description="Failure detection regex patterns.")
    ignore_regex: list[str] | None = Field(default=None)
    date_pattern: str | None = Field(default=None)
    dns_mode: str | None = Field(default=None, description="DNS lookup mode: raw | warn | no.")
    enabled: bool | None = Field(default=None)


class RegexTestRequest(BaseModel):
    """Payload for ``POST /api/config/regex-test``."""

    model_config = ConfigDict(strict=True)

    log_line: str = Field(..., description="Sample log line to test against.")
    fail_regex: str = Field(..., description="Regex pattern to match.")


class RegexTestResponse(BaseModel):
    """Result of a regex test."""

    model_config = ConfigDict(strict=True)

    matched: bool = Field(..., description="Whether the pattern matched the log line.")
    groups: list[str] = Field(
        default_factory=list,
        description="Named groups captured by a successful match.",
    )
    error: str | None = Field(
        default=None,
        description="Compilation error message if the regex is invalid.",
    )


class GlobalConfigResponse(BaseModel):
    """Response for ``GET /api/config/global``."""

    model_config = ConfigDict(strict=True)

    log_level: str
    log_target: str
    db_purge_age: int = Field(..., description="Seconds after which ban records are purged from the fail2ban DB.")
    db_max_matches: int = Field(..., description="Maximum stored log-line matches per ban record.")