// Package models defines the core domain types shared across inventree.
package models

import "time"

type Role string

const (
	RoleAdmin Role = "admin"
	RoleUser  Role = "user"
)

type User struct {
	ID           int64
	Username     string
	PasswordHash string
	Role         Role
	Enabled      bool
	CreatedAt    time.Time
	UpdatedAt    time.Time
}

func (u User) IsAdmin() bool { return u.Role == RoleAdmin }

type Folder struct {
	ID          int64
	Name        string
	ParentID    *int64
	Description string
	Icon        string
	SortOrder   int
	CreatedAt   time.Time
	UpdatedAt   time.Time

	// Populated by list/tree queries; not persisted directly on this table.
	FolderCount int
	AssetCount  int
}

type Status struct {
	ID        int64
	Name      string
	Color     string
	SortOrder int
	CreatedAt time.Time
	UpdatedAt time.Time
}

type FieldType string

const (
	FieldTypeText      FieldType = "text"
	FieldTypeLongText  FieldType = "long_text"
	FieldTypeNumber    FieldType = "number"
	FieldTypeDate      FieldType = "date"
	FieldTypeBoolean   FieldType = "boolean"
	FieldTypeDropdown  FieldType = "dropdown"
	FieldTypeURL       FieldType = "url"
	FieldTypeIPAddress FieldType = "ip_address"
)

var AllFieldTypes = []FieldType{
	FieldTypeText, FieldTypeLongText, FieldTypeNumber, FieldTypeDate,
	FieldTypeBoolean, FieldTypeDropdown, FieldTypeURL, FieldTypeIPAddress,
}

func (t FieldType) Label() string {
	switch t {
	case FieldTypeText:
		return "Text"
	case FieldTypeLongText:
		return "Long Text"
	case FieldTypeNumber:
		return "Number"
	case FieldTypeDate:
		return "Date"
	case FieldTypeBoolean:
		return "Boolean"
	case FieldTypeDropdown:
		return "Dropdown"
	case FieldTypeURL:
		return "URL"
	case FieldTypeIPAddress:
		return "IP Address"
	}
	return string(t)
}

type ItemType struct {
	ID          int64
	Name        string
	Description string
	Icon        string
	Enabled     bool
	SortOrder   int
	CreatedAt   time.Time
	UpdatedAt   time.Time

	Fields []CustomFieldDef
}

type CustomFieldDef struct {
	ID           int64
	ItemTypeID   int64
	Name         string
	FieldKey     string
	FieldType    FieldType
	Required     bool
	DefaultValue string
	Options      []string
	SortOrder    int
	CreatedAt    time.Time
	UpdatedAt    time.Time
}

type CustomFieldValue struct {
	ID         int64
	AssetID    int64
	FieldDefID int64
	Value      string
}

type Asset struct {
	ID             int64
	AssetTag       string
	Name           string
	ItemTypeID     int64
	FolderID       *int64
	StatusID       int64
	AssignedUserID *int64
	Notes          string
	CreatedAt      time.Time
	UpdatedAt      time.Time

	// Populated by joined list/detail queries.
	ItemTypeName     string
	ItemTypeIcon     string
	StatusName       string
	StatusColor      string
	AssignedUsername string
	FolderPath       []BreadcrumbItem
	CustomFields     []AssetFieldValue
}

type AssetFieldValue struct {
	Def   CustomFieldDef
	Value string
}

type BreadcrumbItem struct {
	ID   int64
	Name string
}

// TreeNode is a folder-or-asset node used to render the inventory tree.
type TreeNode struct {
	Type        string // "folder" or "asset"
	ID          int64
	Name        string
	Icon        string
	ParentID    *int64
	HasChildren bool
	AssetTag    string
	StatusName  string
	StatusColor string

	// Populated only when the node is pre-expanded for server-side
	// recursive rendering (see web.buildTree); empty otherwise, in which
	// case the client lazy-loads children via /app/tree/children.
	Expanded   bool
	Children   []TreeNode
	MoreAssets int // count of additional assets beyond the tree display cap, if any
}