package recruiting

// Task is one piece of work on someone's queue.
type Task struct {
	ID       string `json:"id"`
	Title    string `json:"title"`
	Detail   string `json:"detail,omitempty"`
	Status   string `json:"status"`
	Priority string `json:"priority"`
	// AssignedTo is empty when the work is unassigned, which happens when the person who held it left.
	// A task is work that still needs doing, so it is handed to nobody and shown, not deleted.
	AssignedTo   string `json:"assigned_to,omitempty"`
	AssigneeName string `json:"assignee_name,omitempty"`

	DueAt       string `json:"due_at,omitempty"`
	CompletedAt string `json:"completed_at,omitempty"`
	// Bucket is the queue this task falls in, computed in the organization's timezone: overdue,
	// today, soon, later, or none when there is no due date.
	Bucket string `json:"bucket"`
	// DueInDays is whole days from today to the due date, in the organization's timezone. Negative when
	// overdue. Absent when there is no due date, which is not the same as zero.
	DueInDays *int `json:"due_in_days,omitempty"`

	CandidateID      string `json:"candidate_id,omitempty"`
	CandidateName    string `json:"candidate_name,omitempty"`
	RequisitionID    string `json:"requisition_id,omitempty"`
	RequisitionTitle string `json:"requisition_title,omitempty"`
	ApplicationID    string `json:"application_id,omitempty"`
	ContactID        string `json:"contact_id,omitempty"`

	CreatedAt string `json:"created_at"`
	UpdatedAt string `json:"updated_at"`
}

type CreateTaskInput struct {
	Title         string `json:"title"`
	Detail        string `json:"detail"`
	Priority      string `json:"priority"`
	AssignedTo    string `json:"assigned_to"`
	DueAt         string `json:"due_at"`
	CandidateID   string `json:"candidate_id"`
	ContactID     string `json:"contact_id"`
	RequisitionID string `json:"requisition_id"`
	ApplicationID string `json:"application_id"`
}

// UpdateTaskInput. completed_at is absent on purpose: it is maintained by the database from the status,
// so reopening a task clears it and closing one stamps it, from any path.
type UpdateTaskInput struct {
	ExpectedUpdatedAt string  `json:"expected_updated_at"`
	Title             *string `json:"title,omitempty"`
	Detail            *string `json:"detail,omitempty"`
	Status            *string `json:"status,omitempty"`
	Priority          *string `json:"priority,omitempty"`
	AssignedTo        *string `json:"assigned_to,omitempty"`
	DueAt             *string `json:"due_at,omitempty"`
}

type TaskList struct {
	Tasks  []Task `json:"tasks"`
	Limit  int    `json:"limit"`
	Offset int    `json:"offset"`
	Total  int    `json:"total"`
}

// TaskQueue is the work view: counts per bucket plus the tasks themselves, all computed in the
// organization's timezone so "today" means the working day rather than a UTC day.
type TaskQueue struct {
	TimeZone   string `json:"time_zone"`
	Overdue    int    `json:"overdue"`
	Today      int    `json:"today"`
	Soon       int    `json:"soon"`
	Later      int    `json:"later"`
	NoDueDate  int    `json:"no_due_date"`
	Unassigned int    `json:"unassigned"`
	Tasks      []Task `json:"tasks"`
}