--This procedure takes a RegionsOfInterest string and stores the values in the
--TestSetupROIs and ROIPeriodChannels tables.
CREATE PROCEDURE [dbo].[sp_StringToRegionsOfInterestTables]
(
	@TestSetupId int,
	@RegionsOfInterest nvarchar(Max)
)
AS
BEGIN
	--DECLARE @TestSetupId int = 1
	--DECLARE @RegionsOfInterest nvarchar(Max) = '[{"Suffix":"_ROI Period 1","Start":-0.6,"End":0.6,"IsEnabled":true,"IsDefault":true,"ChannelNames":["an1","an2","an3"]},{"Suffix":"_ROI Period 2","Start":-0.5,"End":0.5,"IsEnabled":true,"IsDefault":true,"ChannelNames":["an1","an3"]}]'

	DECLARE @CurrentSubString nvarchar(MAX)
	DECLARE @CurrentSubStringStartIndex int
	DECLARE @CurrentSubStringEndIndex int

	DECLARE @SuffixValue nvarchar(255)
	DECLARE @ROIStartValue float
	DECLARE @ROIEndValue float
	DECLARE @IsEnabledValue nvarchar(255)
	DECLARE @IsDefaultValue nvarchar(255)
	DECLARE @ChannelNames nvarchar(MAX)
	DECLARE @TestSetupROIId int 

	-- [{"Suffix":"_ROI Period 1","Start"...},{"Suffix":"_ROI Period 2","Start"...}]
	SET @CurrentSubStringStartIndex = 1

	WHILE (@CurrentSubStringStartIndex < LEN(@RegionsOfInterest))
	BEGIN
		SET @CurrentSubStringEndIndex = CHARINDEX('}', @RegionsOfInterest, @CurrentSubStringStartIndex) + 1
		SET @CurrentSubString = SUBSTRING(@RegionsOfInterest, @CurrentSubStringStartIndex, (@CurrentSubStringEndIndex - @CurrentSubStringStartIndex))

		SET @SuffixValue = [dbo].[foo_ROIStringToValueString](@CurrentSubString, 'Suffix":"', '"')

		SET @ROIStartValue = CAST([dbo].[foo_ROIStringToValueString](@CurrentSubString, 'Start":', ',') AS FLOAT)

		SET @ROIEndValue = CAST([dbo].[foo_ROIStringToValueString](@CurrentSubString, 'End":', ',') AS FLOAT)

		SET @IsEnabledValue = [dbo].[foo_ROIStringToValueString](@CurrentSubString, 'IsEnabled":', ',')
		IF @IsEnabledValue = 'true'
			SET @IsEnabledValue = 1
		ELSE
			SET @IsEnabledValue = 0

		SET @IsDefaultValue = [dbo].[foo_ROIStringToValueString](@CurrentSubString, 'IsDefault":', ',')
		IF @IsDefaultValue = 'true'
			SET @IsDefaultValue = 1
		ELSE
			SET @IsDefaultValue = 0

		SET @ChannelNames = [dbo].[foo_ROIStringToValueString](@CurrentSubString, 'ChannelNames":[', ']')

		INSERT INTO TestSetupROIs VALUES (@TestSetupId, @SuffixValue, @ROIStartValue, @ROIEndValue, @IsEnabledValue, @IsDefaultValue)
		SET @TestSetupROIId = scope_identity()

		IF (@SuffixValue <> '' AND LEN(@ChannelNames) > 0)
		BEGIN
			DECLARE @CurrentChannelName nvarchar(255)
			DECLARE @ChannelNameStartIndex int
			DECLARE @ChannelNameEndIndex int

			-- "an1","an2","an3"
			SET @ChannelNameStartIndex = 2

			WHILE (@ChannelNameStartIndex < LEN(@ChannelNames))
			BEGIN
				SET @ChannelNameEndIndex = CHARINDEX('"', @ChannelNames, @ChannelNameStartIndex) - 1
				SET @CurrentChannelName = SUBSTRING(@ChannelNames, @ChannelNameStartIndex, (@ChannelNameEndIndex - @ChannelNameStartIndex) + 1)
				INSERT INTO ROIPeriodChannels (TestSetupROIId, ChannelName) VALUES (@TestSetupROIId, @CurrentChannelName)
				SET @ChannelNameStartIndex = @ChannelNameEndIndex + 4 -- ","x
			END

		END
		SET @CurrentSubStringStartIndex = @CurrentSubStringEndIndex + 1 -- }
	END
END