/*Data inputs are: whereTo_txt (text), selectedProduct_cdt (PSH_Product), selectedAgreement_cdt (PSH_Agreement), newOrder_cdt (PSH_ORDER), newItem_cdt (Any Type - Note: In the process model - the type is 'PSH_ITEM' and it's a multiple because there are multiple line items/order)
All my data is being saved to the newItem_cdt except for the newItem_cdt.suggestedPrice values */

= load(
  local!itemToken,
  /*local!total: if(isnull(ri!newItem_cdt.suggestedAmount), {}, sum(ri!newItem_cdt.suggestedAmount)),*/
  a!formLayout(
  label: "Request to Initiate Purchase  (RIP) for "& ri!selectedProduct_cdt.name,
  instructions: "Enter the line items associated with this agreement renewal.",
  firstColumnContents: {
    a!sectionLayout(
      label: "Product Information",
      firstColumnContents: {
        a!textField(
          label: "Product",
          labelPosition: "ABOVE",
          value: ri!selectedProduct_cdt.name,
          saveInto: ri!selectedProduct_cdt.name,
          refreshAfter: "UNFOCUS",
          readOnly: true,
          validations: {}
        )
      },
      secondColumnContents: {
        a!textField(
          label: "Line Item Subtotal",
          labelPosition: "ABOVE",
          value: if(isnull(ri!newItem_cdt), null, if(fn!length(ri!newItem_cdt)<=0,null,fn!sum(ri!newItem_cdt.suggestedAmount)), 
		  /* Note: if you want to update ri!newOrder_cdt.clinSubtotal, send to the psh_itemRows or use a!save(ri!newOrder_cdt.clinSubtotal,sum(ri!newItem_cdt.suggestedPrice)) under any of the sail component in this interface with which you will interact 
I don't understand what you mean here? Should I add 'ri!newOrder_cdt.clinSubtotal' to the psh_itemRows rule?	

Please ignore my comments here and the expression written in value part should do the job.	  

*/
          saveInto: ri!newOrder_cdt.clinSubtotal,
          refreshAfter: "UNFOCUS",
          readOnly: true,
          validations: {}
        )
      }
    ),
      a!sectionLayout(
        label: "Line Items",
        /* Editable Grid for CLIN Line Items:
           Takes in: Item Number, Description, Sources, Sole Source, Quantity, Unit Issue, Unit Price, Suggested Price */firstColumnContents: {
          a!gridLayout(
            headerCells: {
              a!gridLayoutHeaderCell(label: "Item Number"),
              a!gridLayoutHeaderCell(label: "Description"),
              a!gridLayoutHeaderCell(label: "Sources"),
              a!gridLayoutHeaderCell(label: "Sole Source"),
              a!gridLayoutHeaderCell(label: "Quantity"),
			        a!gridLayoutHeaderCell(label: "Unit Issue"),
			        a!gridLayoutHeaderCell(label: "Unit Price"),
              a!gridLayoutHeaderCell(label: "Suggested Price"),
              a!gridLayoutHeaderCell(label: "")
            },
            columnConfigs: {
              a!gridLayoutColumnConfig(width: "NARROW"),
              a!gridLayoutColumnConfig(width: "DISTRIBUTE"),
              a!gridLayoutColumnConfig(width: "DISTRIBUTE"),
			        a!gridLayoutColumnConfig(width: "NARROW"),
			        a!gridLayoutColumnConfig(width: "NARROW"),
              a!gridLayoutColumnConfig(width: "NARROW"),
              a!gridLayoutColumnConfig(width: "DISTRIBUTE"),
              a!gridLayoutColumnConfig(width: "DISTRIBUTE"),
              a!gridLayoutColumnConfig(width: "NARROW")
            },
            rows: a!applyComponents(
              function: rule!psh_itemRows(
                newItem_cdt: ri!newItem_cdt,
                index: _,
                itemToken: local!itemToken
              ),
              array: if(
                or(
                  isnull(
                    ri!newItem_cdt
                  ),
                  count(
                    ri!newItem_cdt
                  ) < 1
                ),
                {},
                1 + enumerate(
                  count(
                    ri!newItem_cdt
                  )
                )
              ),
              arrayVariable: local!itemToken
            ),
            validations: if(
              or(
                isnull(
                  ri!newItem_cdt
                ),
                count(
                  ri!newItem_cdt
                ) < 1
              ),
              "You must enter a line item",
              {
                with(
                  local!total: sum(
                    ri!newItem_cdt.suggestedPrice
                  ),
                  if(
                    local!total < ri!newOrder_cdt.clinSubtotal,
                    "The sum of the line items must be greater than zero.",
                    ""
                  )
                )
              }
            )
          ),
          /* Link that adds a new row for the editable grid */a!linkField(
            label: "Add Link",
            labelPosition: "COLLAPSED",
            links: a!dynamicLink(
              label: "+ Add Line Item",
              value: 'type!{urn:com:appian:types}PSH_Item'(),
              saveInto: {
                a!save(
                  ri!newItem_cdt,
                  append(
                    ri!newItem_cdt,
                    save!value 
                  )
                ),
                a!save(
                  local!itemToken,
                  append(
                    local!itemToken,
                    save!value
                  )
                )
              }
            )
          )
        }
      )
  },
  secondColumnContents: {},
  buttons: a!buttonLayout(
    primaryButtons: {
      a!buttonWidgetSubmit(
        label: "Submit",
        style: "PRIMARY",
        saveInto: {
		}
      )
    },
    secondaryButtons: {
      a!buttonWidgetSubmit(
        label: "Cancel",
        style: "NORMAL",
        value: true,
        saveInto: ri!whereTo_txt,
        skipValidation: true
      )
    }
  ),
  validations: {}
)
)