package storage

import (
	"encoding/json"
	"strings"
	"time"

	"gardomatic.kleiax.de/internal/platform/validate"
)

// PlantModelInterface persists plant instances within a garden boundary.
type PlantModelInterface interface {
	Insert(plant Plant) (Plant, error)
	Get(gardenID, id int) (Plant, error)
	GetAllForGarden(gardenID int) ([]Plant, error)
	Update(gardenID int, plant Plant) (Plant, error)
	Delete(gardenID, id int) error
}

// Plant represents a named plant instance managed by a garden.
type Plant struct {
	ID            int             `json:"id"`
	GardenID      int             `json:"garden_id"`
	SpeciesID     *int            `json:"species_id,omitempty"`
	Name          string          `json:"name"`
	Notes         string          `json:"notes"`
	ImageData     string          `json:"image_data,omitempty"`
	ImageID       *int            `json:"image_id,omitempty"`
	AcquiredAt    *time.Time      `json:"acquired_at,omitempty"`
	Status        string          `json:"status"`
	RemovedAt     *time.Time      `json:"removed_at,omitempty"`
	Attributes    json.RawMessage `json:"attributes"`
	CreatedAt     time.Time       `json:"created_at"`
	UpdatedAt     time.Time       `json:"updated_at"`
	Version       int             `json:"version"`
	Tags          []string        `json:"tags,omitempty"`
	CreatedBy     int             `json:"created_by"`
	UpdatedBy     int             `json:"updated_by"`
	PlantedBy     int             `json:"planted_by"`
	PlantedByName string          `json:"planted_by_name,omitempty"`
}

// ValidatePlant applies persistence-independent plant validation rules.
func ValidatePlant(v *validate.Validator, plant Plant) {
	v.Check(strings.TrimSpace(plant.Name) != "", "name", "must be provided")
	v.Check(len(plant.Name) <= 500, "name", "must not be more than 500 bytes long")
	v.Check(len(plant.Notes) <= 10_000, "notes", "must not be more than 10000 bytes long")
	v.Check(validate.PermittedValue(plant.Status, "alive", "dead", "removed", "infested", "harvested"), "status", "must be alive, dead, removed, infested or harvested")
	v.Check(len(plant.Attributes) == 0 || json.Valid(plant.Attributes), "attributes", "must be valid JSON")
	ValidateTags(v, plant.Tags)
	if plant.SpeciesID != nil {
		v.Check(*plant.SpeciesID > 0, "species_id", "must be a positive integer")
	}
}