import numpy as np
def readswash(filename,xlen,nlay):
	with open('test.txt', 'r') as f:
		content = f.readlines()
	fsurf = []
	klay = np.zeros((7203,11,300))
	brkp = []
	Vxfield = np.zeros((7203,11,300))
	Vyfield = np.zeros((7203,11,300))
	Vzfield = np.zeros((7203,11,300))
	ts = []
	t = 0
	for i in range(len(content)):
		if content[i][33:93] == 'Layer interface                                         k=00' :
			layint0 = content[i+7].split('.')
			layint1 = content[i+12].split('.')
			surftemp = [float(layint0[0].split()[1])]+layint0[1:-1]+[float(layint1[0].split()[1])]+layint1[1:-1]
			j = 0
			while j < len(surftemp):
				surftemp[j] = float(surftemp[j])
				j+=1
			fsurf.append(np.asarray(surftemp)/10)
		if content[i][33:56] == 'Flow velocity per layer' :
			k = int(content[i][83:85])
			layint0 = content[i+7].split('.')
			layint1 = content[i+12].split('.')
			vktemp = [float(layint0[0].split()[1])]+layint0[1:-1]+[float(layint1[0].split()[1])]+layint1[1:-1]
			j = 0
			while j < len(vktemp):
				try :
					vktemp[j] = float(vktemp[j])
				except :
					#vktemp[j] = float(vktemp[j][-5:])
					vktemp[j]=0
				j+=1
			if content[i][87:88] == 'X':
				Vxfield[t,k,:] = np.asarray(vktemp)/1000
			else:
				Vyfield[t,k,:] = np.asarray(vktemp)/1000
		if content[i][33:56] == 'Velocity in z-direction' :
			k = int(content[i][91:93])
			layint0 = content[i+7].split('.')
			layint1 = content[i+12].split('.')
			vktemp = [float(layint0[0].split()[1])]+layint0[1:-1]+[float(layint1[0].split()[1])]+layint1[1:-1]
			j = 0
			while j < len(vktemp):
				try:
					vktemp[j] = float(vktemp[j])
				except:
					vktemp[j] = 0.0
				j+=1
			Vzfield[t,k,:len(vktemp)] = np.asarray(vktemp)/1000
			Vzfield[t,k,len(vktemp):] = np.zeros(300-len(vktemp))
		if content[i][33:48] == 'Layer interface' :
			k = int(content[i][91:93])
			layint0 = content[i+7].split('.')
			layint1 = content[i+12].split('.')
			layktemp = [float(layint0[0].split()[1])]+layint0[1:-1]+[float(layint1[0].split()[1])]+layint1[1:-1]
			j = 0
			while j < len(layktemp):
				layktemp[j] = float(layktemp[j])
				j+=1
			klay[t,k,:] = np.asarray(layktemp)/10
		if content[i][33:52] == 'wave breaking point' :
			br0 = content[i+7].split('.')
			br1 = content[i+12].split('.')
			brtemp = [float(br0[0].split()[1])]+br0[1:-1]+[float(br1[0].split()[1])]+br1[1:-1]
			j = 0
			while j < len(brtemp):
				brtemp[j] = float(brtemp[j])
				j+=1
			brkp.append(np.asarray(brtemp))
		if content[i][33:68] == 'Time in seconds from reference time' :
			ts.append(float(content[i+1][7:16]))
			t+=1
		

	
	return fsurf, Vxfield, Vyfield, Vzfield, brkp, klay