// Package api - rule editor metadata (vocabulary served to the UI)
package api

// OperatorMeta describes a condition operator for the editor.
type OperatorMeta struct {
	Value      string `json:"value"`
	Label      string `json:"label"`
	NeedsValue bool   `json:"needsValue"`       // false for Exists/NotExists
	Custom     bool   `json:"custom,omitempty"` // true for raw LDAP expression
	Hint       string `json:"hint,omitempty"`
}

// LabeledValue is a generic {value,label,description} tuple for dropdowns.
type LabeledValue struct {
	Value       string `json:"value"`
	Label       string `json:"label"`
	Description string `json:"description,omitempty"`
}

// AttributeMeta is a suggested attribute for a given object type.
type AttributeMeta struct {
	Name  string `json:"name"`
	Label string `json:"label"`
}

// RuleMetadata is the full vocabulary the rule editor renders from.
type RuleMetadata struct {
	ObjectTypes      []LabeledValue             `json:"objectTypes"`
	SearchScopes     []LabeledValue             `json:"searchScopes"`
	JoinOperators    []LabeledValue             `json:"joinOperators"`
	Operators        []OperatorMeta             `json:"operators"`
	ActionTypes      []LabeledValue             `json:"actionTypes"`
	SyncModes        []LabeledValue             `json:"syncModes"`
	ScheduleUnits    []LabeledValue             `json:"scheduleUnits"`
	CommonAttributes map[string][]AttributeMeta `json:"commonAttributes"`
}

func ruleMetadata() RuleMetadata {
	return RuleMetadata{
		ObjectTypes: []LabeledValue{
			{Value: "User", Label: "Users"},
			{Value: "Computer", Label: "Computers"},
			{Value: "Group", Label: "Groups"},
		},
		SearchScopes: []LabeledValue{
			{Value: "Subtree", Label: "This container and everything below"},
			{Value: "OneLevel", Label: "Immediate children only"},
			{Value: "Base", Label: "This object only"},
		},
		JoinOperators: []LabeledValue{
			{Value: "AND", Label: "Match ALL of", Description: "Every condition must be true"},
			{Value: "OR", Label: "Match ANY of", Description: "At least one condition must be true"},
		},
		Operators: []OperatorMeta{
			{Value: "Equals", Label: "equals", NeedsValue: true},
			{Value: "NotEquals", Label: "does not equal", NeedsValue: true},
			{Value: "Contains", Label: "contains", NeedsValue: true},
			{Value: "StartsWith", Label: "starts with", NeedsValue: true},
			{Value: "EndsWith", Label: "ends with", NeedsValue: true},
			{Value: "GreaterThan", Label: "is greater than or equal to", NeedsValue: true},
			{Value: "LessThan", Label: "is less than or equal to", NeedsValue: true},
			{Value: "Exists", Label: "is present", NeedsValue: false},
			{Value: "NotExists", Label: "is not present", NeedsValue: false},
			{Value: "MemberOf", Label: "is a member of (direct)", NeedsValue: true, Hint: "Group DN"},
			{Value: "MemberOfRecursive", Label: "is a member of (incl. nested)", NeedsValue: true, Hint: "Group DN"},
			{Value: "CustomLdap", Label: "raw LDAP filter", NeedsValue: true, Custom: true, Hint: "e.g. (department=Sales)"},
		},
		ActionTypes: []LabeledValue{
			{Value: "SyncGroupMembership", Label: "Sync membership to group", Description: "Keep a target group's members in step with the matched set (add + remove)"},
			{Value: "MoveToOu", Label: "Move to OU", Description: "Move each matched object into a target OU"},
			{Value: "EnsureGroupExists", Label: "Ensure group exists", Description: "Create the target group if it is missing"},
			{Value: "AddToGroup", Label: "Add to group (no removal)", Description: "Add matched objects to a group without ever removing anyone"},
		},
		SyncModes: []LabeledValue{
			{Value: "FullSync", Label: "Full sync (add + remove)", Description: "Membership becomes exactly the matched set; members that no longer match are removed, including manual additions"},
			{Value: "ManagedAdd", Label: "Managed (add + remove only what we added)", Description: "Add matches and remove only members this rule added; leaves manually-added members alone"},
			{Value: "AddOnly", Label: "Add only", Description: "Only add matching members; never remove automatically"},
		},
		ScheduleUnits: []LabeledValue{
			{Value: "Minutes", Label: "minutes"},
			{Value: "Hours", Label: "hours"},
			{Value: "Days", Label: "days"},
		},
		CommonAttributes: map[string][]AttributeMeta{
			"User": {
				{Name: "sAMAccountName", Label: "Logon name (sAMAccountName)"},
				{Name: "userPrincipalName", Label: "User principal name (UPN)"},
				{Name: "mail", Label: "Email"},
				{Name: "displayName", Label: "Display name"},
				{Name: "givenName", Label: "First name"},
				{Name: "sn", Label: "Last name"},
				{Name: "department", Label: "Department"},
				{Name: "title", Label: "Job title"},
				{Name: "company", Label: "Company"},
				{Name: "physicalDeliveryOfficeName", Label: "Office"},
				{Name: "l", Label: "City"},
				{Name: "st", Label: "State/Province"},
				{Name: "co", Label: "Country"},
				{Name: "manager", Label: "Manager (DN)"},
				{Name: "employeeType", Label: "Employee type"},
				{Name: "description", Label: "Description"},
				{Name: "memberOf", Label: "Member of (group DN)"},
				{Name: "userAccountControl", Label: "Account control flags"},
			},
			"Computer": {
				{Name: "cn", Label: "Name"},
				{Name: "dNSHostName", Label: "DNS host name"},
				{Name: "operatingSystem", Label: "Operating system"},
				{Name: "operatingSystemVersion", Label: "OS version"},
				{Name: "description", Label: "Description"},
				{Name: "memberOf", Label: "Member of (group DN)"},
			},
			"Group": {
				{Name: "cn", Label: "Name"},
				{Name: "sAMAccountName", Label: "Group name (sAMAccountName)"},
				{Name: "description", Label: "Description"},
				{Name: "groupType", Label: "Group type flags"},
				{Name: "mail", Label: "Email"},
				{Name: "memberOf", Label: "Member of (group DN)"},
			},
		},
	}
}