package lulu

import (
	"fmt"
	"net/url"
	"time"
)

type PrintJobQuery func(*printJobQueries)

type printJobQueries struct {
	creatAfter, creatBefore, modAfter, modBefore *time.Time
	status                                       *OrderStatus
	id, orderId                                  *uint
	excludeLineItems                             bool
}

func (q *printJobQueries) apply(f ...PrintJobQuery) {
	for i := range f {
		f[i](q)
	}
}

func (q *printJobQueries) vals() url.Values {
	v := url.Values{}
	if q.creatAfter != nil {
		v.Set("created_after", q.creatAfter.UTC().Format(time.RFC3339))
	}
	if q.creatBefore != nil {
		v.Set("created_before", q.creatBefore.UTC().Format(time.RFC3339))
	}
	if q.modAfter != nil {
		v.Set("modified_after", q.modAfter.UTC().Format(time.RFC3339))
	}
	if q.modBefore != nil {
		v.Set("modified_before", q.modBefore.UTC().Format(time.RFC3339))
	}
	if q.status != nil {
		v.Set("status", string(*q.status))
	}
	if q.id != nil {
		v.Set("id", fmt.Sprint(*q.id))
	}
	if q.orderId != nil {
		v.Set("order_id", fmt.Sprint(*q.orderId))
	}
	if q.excludeLineItems {
		v.Set("exclude_line_items", "true")
	}
	return v
}

// Include only print jobs created after t.
func FilterCreatedAfter(t time.Time) PrintJobQuery {
	return func(q *printJobQueries) {
		q.creatAfter = &t
	}
}

// Include only print jobs created before t.
func FilterCreatedBefore(t time.Time) PrintJobQuery {
	return func(q *printJobQueries) {
		q.creatBefore = &t
	}
}

// Include only print jobs modified after t.
func FilterModifiedAfter(t time.Time) PrintJobQuery {
	return func(q *printJobQueries) {
		q.modAfter = &t
	}
}

// Include only print jobs modified before t.
func FilterModifiedBefore(t time.Time) PrintJobQuery {
	return func(q *printJobQueries) {
		q.modBefore = &t
	}
}

// Include only print jobs with status s.
func FilterStatus(s OrderStatus) PrintJobQuery {
	return func(q *printJobQueries) {
		q.status = &s
	}
}

// Include only print jobs with the given id.
func FilterId(id uint) PrintJobQuery {
	return func(q *printJobQueries) {
		q.id = &id
	}
}

// Include only print jobs with the given order_id.
func FilterOrderId(orderId uint) PrintJobQuery {
	return func(q *printJobQueries) {
		q.orderId = &orderId
	}
}

// Leave the list of line items out of the print jobs response.
func ExcludeLineItems() PrintJobQuery {
	return func(q *printJobQueries) {
		q.excludeLineItems = true
	}
}