#boot_activeMenu_v00_i.py
#by D@CC
#on 2024AJan05
#Purpose: to server as a boot program for a Raspberry Pi
def IX_grepStr(nameListIn,rowIn,badNameErrMsg):
    #By D@CC
    #on 2024AJan03
    #appearing in nameList
    #Purpose: to grep 2nd word into a variable in the calling module
    #parm1 is the nameList
    #parm2 is the row read from the file
    #Returns i,name, value where i is the list item #
    #                  and name is name of variable to define
    #                  and value is the value to be assigned
    #Eg: nameListIn={"a","b"}
    #	 i,value=IX_grepStr(nameListIn,row)
    #    if i>-1 :
    #        if i==0 : a=value
    #		print("a:",a)
    #        if i==1 : a = value
    #        print("b:",b)
    #    else:
    #        print("ERROR: unrecognised grep name")
    #    #if end
    #varList is {a,b}
    #rowA is string to grep
    rowA=rowIn
    nameList=nameListIn
    rowA=rowA.strip()
    #print("rowIn stripped:",row)
    cnt=rowA.count(" ")
    if cnt>1 :
        print("ERROR too many spaces in: ",rowA)
        cnt=-1
    #if end
    col=rowA.find(" ")+1
    #print("col:",col)
    nameA=badNameErrMsg
    value=""
    if col>0:
        #split at a space
        w1,w2=rowA.split(" ")
        if w1 in nameList :
            idx = nameList.index(w1)
            nameA=w1
            value=w2
        else:
            #if name not found
            idx =-1
            if w1=="uBoot" :
                #print("at 51")
                return -1,"",""
            else:
                print("WARNING name NOT found:",w1)
                return -1,"",""
            #if end
            #returning bad name & value        
    #if end
    else:
        print("WARNING wrong # of spaces found in:",rowA)
        idx=-1  # no " " in rowA
    #if end
    #print("returning idx,name,value:",idx,name,value)
    return idx,nameA,value
#def end IX_grepStr()
#/IX_grepStr()

def newLine(mLine,menuText):
    #By D@CC
    #on 2024AJan05
    #Purpose: Write out a line of text
    #         about this menu line
    #print(mLine,menuText)
    pass
#def end

def anyTapWto(iSwitch,timeOutSecs):
    #By D@CC
    #on 2024AJan05
    #Purpose: watch for any tap by the user
    time.sleep(timeOutSecs)
    wasTapped=False
    return wasTapped
#def end

def runMenuItem(j):
    #By D@CC
    #on 2024AJan05
    #Purpose: run menu item # j
    return
#def end


def ringBell(GPIO,timeSecs):
    #By D@CC
    #on 2024AJan05
    #Purpose: ring the bell for a # of seconds
    #Parm1: GPIO #  eg 26 for the Cytron Maker pHAT
    #Parm2: (a short beep is .1 seconds)
    #       (a long  beep is .2 seconds)
    import time
    global bell
    #print("@103 GPIO:", GPIO)
    #input("@104 in ringBell")
    gBell=GPIO
    if GPIO==-2:
        # works very poorly
        #os.system("speaker-test -t sine -f 1000 -l 1 & sleep .2 && kill -9 $!")
        #Source: https://linux.die.net/man/1/speaker-test
        dT=" .3 "
        belTXT="speaker-test -t sine -f 1000 -l 1 & sleep"+dT+"&& kill -9 $!"
        os.system(belTXT)
    #if end
    if GPIO==-1:
        #print("@115 try an ascii BEL character")
        print('/a')  #doesn't work with Python 3 on 2024AJan04
    #if end
    if GPIO==0 or GPIO==26:
        #     set up as global bell = LED(26) in main
        #gBell=26	#buzzer on Cytron Maker pHAT
        # if its buzzer is too loud, cover it with an erasure
        uTime=time.time()
        bell.on()
        waitT=timeSecs  #(a short beep is .1 seconds)
        #               #(a long  beep is .2 seconds)
        offT=.1         #time between beeps
        deltaT=0
        while deltaT<waitT :
            #wait while bell is on
            time.sleep(.05)
            deltaT=time.time()-uTime
        #while end
        bell.off()   #turn bell off
        time.sleep(offT)
    #if end
    return
#def end

progName="boot_activeMenu_v00_i.py"
#By D@CC
#On 2024AJan05
#Purpose:  provide a python boot program
#Step 1: Y load the boot parms from Desktop/bootParms.txt  
#Step 2: N Blink the Pi
#Step 3: N Display the Active Menu
#Step 4: N Invoke each task
#Step 5: N Power Off the Raspberry Pi Computer
#
#Note 1: This program only beeps during the first 3 menu loops
#Note 2: Error ..... in pin
#         pin = self.pins[info] . . . . .
#        occurs when another thread is already using a pin
#        e.g. python might be using a GPIO pin in terminal mode
import time
from gpiozero import LED, Button
# these global objects are available to any routine
global bell, pushButton
#for gpiozero
#print("@159")
bell= LED(26)          # buzzer on GPIO26
pushButton=Button(21)  # button near center

#print("@163")
#input("@164")
print("progName:",progName," starting")
file="/home/pi/Desktop/a/boot/bootParms.txt"
f=open(file,"r")
for row in f:
    row=row.strip()
    if not row=="/bootParms.txt !":
        #first parm names are:
        nameList=["timeOut","gpioLED","iSwitch","iAudio","iMsg","boot_i","outputCLI","myEmail"]
        # get the index # and value
        #  for the variable in varList
        i,name,value=IX_grepStr(nameList,row,"IX_Bad_Name_in_bootParms.txt")
        if name=="" :
            # ignore this record
            pass
        else:
            #if name is not null
            #process this record unless i<0
            if i<0  : # possible ERROR
                print("ERROR not a valid bootParms.txt parameter:",name)
            else:
                #process this record
                if i==0 : timeOut=value; print("timeOut:",timeOut)
                if i==1 : gpioLED=value; print("gpioLED:",gpioLED)
                if i==2 : iSwitch=value; print("iSwitch:",iSwitch)
                if i==3 : iAudio=value;  print("iAudio:",iAudio)
                if i==4 : iMsg=value;    print("iMsg:",iMsg)
                if i==5 : boot_i=value;  print("boot_i:",boot_i)
                if i==6 : outputCLI=value; print("outputCLI:",outputCLI)
                if i==7 : myEmail=value; print("myEmail:",myEmail)
            #if end
        #if end
    #if end
#for end
f.close()
#print("@199 Step 2")
print();print();print()
isLooping=True
loopCnt=0
menuLine=["1 blink_IP_tail_i:",  \
          "2 tap_quad_demo_i:",  \
          "3 send_boot-alert_info_i:",  \
          "4 boot_msg_i:",  \
          "5 boot_i:",  \
          "6 help_loop_i:",  \
          "7 ",  \
          ]
while isLooping:
    loopCnt+=1
    import os

    for j in range(6):
        os.system("clear") #causes "TERM environment variable not set" with Thonny
        print(progName,": Within 3.14 seconds,")
        print(" tap IX GPIO 21 to skip any Active-submenu task.")
        print("------------------------------------------------")
        for k in range(6):
            if k==j:
                line=menuLine[k]
                print(line.upper())  #highlight print this submenu task
                #print("@224")
            else:
                line=menuLine[k]     #normal print this submenu task
                if loopCnt <10:		 #for 10 loops, print the whole submenu
                    print(line)
                else:
                    print(k+1)		 #after 10 loops, only print the active submenu
                #if end
            #if end

        #for end
        print("------------------------------------------------")
        print("Hit ^C to exit")
        #time.sleep(5)
        # wait for any Tap (5 sec TimeOut)
        if loopCnt<3:
            #only ring the bell during the first 3 loops
            for m in range(j+1):
                bellGPIO=int(iAudio)
                #print("@242 iAudio:",iAudio)
                #bellGPIO=0
                ringBell(bellGPIO,.1)
            #for end
        #if end
                
                
        #print("@250") 
        isTap=anyTapWto(iSwitch,4)
        if not isTap:
            runMenuItem(j)  #by default run this menu item
        else:
            pass			# if tapped, skip this menu item
        #if end
    #for end
#while end
        
while True:
    #process the menu
    for mLine in range(7):
        if mLine>0:
            newLine(mLine,menuLine[mLine])  #highlight new menuLine
        #if end
        if mLine==1:
            pass
        #if end
        
        if mLine==2:
            pass
        #if end
        
        if mLine==3:
            pass
        #if end
        
        if mLine==4:
            #4 print the message
            print(iMsg)
        #if end
            
            
        #print("@283")
        if mLine==5:
            
            #run the application
            
            
            #myCmd="sh "+"IX_assets/IX_log.sh "+">result.txt"
            #myCmd="sh "+shBoot+" > result.txt"
            
            
            import os


            if outputCLI=="/home/pi/Desktop/IX_output.txt":
                # route the output to the stnd IX output file
                #   but first delete previous output
                
                
                myCmd="rm /home/pi/Desktop/IX_output.txt"
                #print("myCmd:",myCmd)
                os.system(myCmd)
                #now run sh but save the output


                #Future: also allow a program Name, not just a "sh"
                myCmd="sh "+boot_i
                print("@310 running");print(" >$"+myCmd)
                myCmd=myCmd+" > /home/pi/Desktop/IX_output.txt"
                os.system(myCmd)
                
                
            else:
                #do NOT save the output
                myCmd="sh "+boot_i
                #print("@317 running");print(" >$"+myCmd)
                #print("@318 myCmd:",myCmd)
                os.system(myCmd)    
            #if end
                
                
            #display the result if saved
            #if outputCLI=="/home/pi/Desktop/IX_output.txt" or outputCLI=="":
            if outputCLI=="/home/pi/Desktop/IX_output.txt":
                print("@327 displaying saved outputCLI:")
                for row in open("/home/pi/Desktop/IX_output.txt"):
                    print(" >"+row, end='')
                #for end
            #if end
        #if end
        if mLine==6:
            #6 Loop Back to top
            displayTime=3
            print("HELP MESSAGE DISPLAYING FOR",displayTime,"seconds")
            print("Hit ^C to exit")
            try:
                time.sleep(displayTime)
            except:
                isLooping=False  #stop the while loop
            finally:
                #hit ^C to exit
                # following statement works fine with Python3 but
                os.system("clear") #causes "TERM environment variable not set" with Thonny
                #bell was set as global in this module
                bell.off()		#turn bell OFF if accidentally left ON
                #os.system("cls") #causes "cls: not found"
            
                #for j in range(100): print()  #clears any screen with Thonny
            #end try
            pass
            #print("@353")
        #if end
    #for end
#while end
print("end of:",progName)

#/boot_activeMenu_v00_i.py