package domain

// Coordinate is a WGS84 longitude/latitude pair.
type Coordinate struct {
	Longitude float64 `json:"longitude"`
	Latitude  float64 `json:"latitude"`
}

// SpatialScope is a trusted, server-derived data scope.
type SpatialScope struct {
	// AllTowns authorizes every town in the MCP's fixed query tables, including records with no town value.
	AllTowns bool
	// AllowedTowns is used only when AllTowns is false.
	AllowedTowns []string
}

// NearbyQuery contains a bounded spatial search requested by a service use case.
type NearbyQuery struct {
	Point        Coordinate
	RadiusMeters float64
	Limit        int
	Scope        SpatialScope
}

// PlaceSearchQuery searches existing fire-safety records for user-confirmable place candidates.
type PlaceSearchQuery struct {
	PlaceName string
	Limit     int
	Scope     SpatialScope
}

// PlaceCandidate is a recorded or representative location that still requires user confirmation.
type PlaceCandidate struct {
	SourceRecordID string     `json:"source_record_id"`
	PlaceType      string     `json:"place_type"`
	Name           string     `json:"name,omitempty"`
	Town           string     `json:"town,omitempty"`
	Village        string     `json:"village,omitempty"`
	MatchedField   string     `json:"matched_field"`
	MatchedText    string     `json:"matched_text"`
	MatchKind      string     `json:"match_kind"`
	Location       Coordinate `json:"location"`
	LocationKind   string     `json:"location_kind"`
}

// IncidentContext is a fire-grid area covering the supplied incident point.
type IncidentContext struct {
	GridID    string `json:"grid_id"`
	Town      string `json:"town,omitempty"`
	AreaLabel string `json:"area_label,omitempty"`
}

// WaterSource is a spatially nearby water candidate from an existing source table.
type WaterSource struct {
	SourceRecordID      string     `json:"source_record_id"`
	Category            string     `json:"category"`
	Name                string     `json:"name,omitempty"`
	Town                string     `json:"town,omitempty"`
	Village             string     `json:"village,omitempty"`
	Location            Coordinate `json:"location"`
	DistanceMeters      float64    `json:"distance_meters"`
	CapacityCubicMeters *float64   `json:"capacity_cubic_meters,omitempty"`
	ResourceType        string     `json:"resource_type,omitempty"`
	ReportedStatus      string     `json:"reported_status,omitempty"`
	SourceTimestampRaw  *int64     `json:"source_timestamp_raw,omitempty"`
}

// CommandPostCandidate is a nearby existing facility, not a confirmed command post.
type CommandPostCandidate struct {
	SourceRecordID string     `json:"source_record_id"`
	FacilityType   string     `json:"facility_type"`
	Name           string     `json:"name,omitempty"`
	Town           string     `json:"town,omitempty"`
	Village        string     `json:"village,omitempty"`
	Location       Coordinate `json:"location"`
	DistanceMeters float64    `json:"distance_meters"`
	ReportedStatus string     `json:"reported_status,omitempty"`
	ManagementUnit string     `json:"management_unit,omitempty"`
}

// AccessLine is a nearby fire-access-line candidate and its closest point.
type AccessLine struct {
	SourceRecordID   string     `json:"source_record_id"`
	Name             string     `json:"name,omitempty"`
	Town             string     `json:"town,omitempty"`
	DistanceMeters   float64    `json:"distance_meters"`
	NearestPoint     Coordinate `json:"nearest_point"`
	LengthMeters     *float64   `json:"length_meters,omitempty"`
	SourceUpdatedRaw string     `json:"source_updated_raw,omitempty"`
}

// ResponsibleUnit is the non-personal responsibility information stored on a fire grid.
type ResponsibleUnit struct {
	GridID                string `json:"grid_id"`
	Town                  string `json:"town,omitempty"`
	AreaLabel             string `json:"area_label,omitempty"`
	FireTeam              string `json:"fire_team,omitempty"`
	LiveLocationAvailable bool   `json:"live_location_available"`
	AssemblySiteAvailable bool   `json:"assembly_site_available"`
}

// RiskArea is a cemetery or forest-area enterprise polygon near the supplied point.
type RiskArea struct {
	SourceRecordID string  `json:"source_record_id"`
	RiskType       string  `json:"risk_type"`
	Name           string  `json:"name,omitempty"`
	Town           string  `json:"town,omitempty"`
	Village        string  `json:"village,omitempty"`
	Direction      string  `json:"direction,omitempty"`
	CoversPoint    bool    `json:"covers_point"`
	DistanceMeters float64 `json:"distance_meters"`
}