Discount not applied properly.

[QeRetail-Expert]

thewildsalmonco-com
this is my store

I'm used order api.

but Discount not applied properly.

https://i.imgur.com/tSmJyrP.png

https://i.imgur.com/xc6bSrv.png

https://i.imgur.com/igm9uwy.png

Pass on gift discount but it's not applicable properly.

i'm use shopify order api

https://shopify.dev/api/admin/rest/reference/orders/order

and it's not proper work.

https://i.imgur.com/igm9uwy.png

This api pass data

but discount amount is $77 means it's line_item amount

I was pass line_item = 77 shipping = 99 + 100 = 199 gift certificate discount (with shipping_line type) = 100

but shopify consider line_item = 0 shipping = 199 discount = -77

My data pass on order api:

Array
(
    [browser_ip] => 98.202.208.166
    [billing_address] => Array
        (
            [company] => 
            [first_name] => Janet
            [last_name] => Nelson
            [address1] => 3581 E COVE POINT DR
            [address2] => 
            [city] => MILLCREEK
            [province] => Utah
            [zip] => 84109
            [country] => United States
            [phone] => 8015609044
        )

    [shipping_address] => Array
        (
            [company] => 
            [first_name] => Janet
            [last_name] => Nelson
            [address1] => 3581 E COVE POINT DR
            [address2] => 
            [city] => MILLCREEK
            [province] => Utah
            [zip] => 84109
            [country] => United States
            [phone] => 8015609044
        )

    [shipping_lines] => Array
        (
            [0] => Array
                (
                    [title] => 2 day Fedex Express (up to 23 lbs)
                    [price] => 199
                )

        )

    [line_items] => Array
        (
            [0] => Array
                (
                    [variant_id] => 40452404445350
                    [quantity] => 4
                    [price] => 11.0000
                )

            [1] => Array
                (
                    [variant_id] => 40452491706534
                    [quantity] => 3
                    [price] => 11.0000
                )

        )

    [discount_codes] => Array
        (
            [0] => Array
                (
                    [code] => Gift certificates
                    [amount] => 100.0000
                    [type] => fixed_amount
                )

        )

    [discount_applications] => Array
        (
            [0] => Array
                (
                    [type] => discount_code
                    [code] => Gift certificates
                    [value] => 100.0000
                    [value_type] => fixed_amount
                    [allocation_method] => one
                    [target_selection] => explicit
                    [target_type] => shipping_line
                )

        )

    [customer] => Array
        (
            [id] => 5428584382630
        )

    [processing_method] => Credit Card 
    [payment_gateway_names] => Array
        (
            [0] => Credit Card 
        )

    [name] => #12221
    [note] => #12221
    [note_attributes] => Array
        (
            [0] => Array
                (
                    [name] => buying_club_shipping
                    [value] => Ship Order 2020
                )

            [1] => Array
                (
                    [name] => payment_gateway_names
                    [value] => Credit Card 
                )

            [2] => Array
                (
                    [name] => payment_provider_id
                    [value] => 62754574234
                )

        )

    [subtotal_price] => 77
    [processed_at] => 2020-12-26 07:00:52 AM -0130
    [status] => closed
    [fulfillment_status] => fulfilled
    [financial_status] => paid
)