-- Sales per payment type per line year to year
-- For Board Meeting presentation

SELECT
	EXTRACT(YEAR_MONTH FROM dv.fecha) AS Month,
        dv.id_cliente AS Customer,
        COUNT(DISTINCT dv.id_cliente) AS Count_Customers,
	IF(
		(dv.fecha_vencimiento - dv.fecha) <= 5,
		'cash',
		'credit'
	) AS Sale_conditions,
	l.linea_analisis AS Line,
        ROUND(  
                SUM(dvi.cantidad*i.peso*(IF(dvi.valor>0, 1, -1)))/1000, 2
        ) AS Weight_MT,
        SUM(dvi.valor) AS Value
FROM
        documento_ventas dv
        JOIN documento_ventas_has_item dvi
                USING ( id_documento,id_sucursal )
        JOIN item i
                USING (id_item)
        JOIN view_lineas l
                USING (id_linea)

WHERE
        (LEFT(dv.id_documento,2) = 'DV' OR
         LEFT(dv.id_documento,2) = 'EF' OR
         LEFT(dv.id_documento,1) = 'F')
        AND NOT (dv.id_cliente LIKE "999")
        AND YEAR(dv.fecha) >= 2015
	
GROUP BY
	Month, Sale_conditions, Customer, Line