# Tk_minesweeper.py ^ 2018.10

# Tk_minesweeper.py

from random import *
from time import *
from Tkinter import *
import tkSimpleDialog, tkMessageBox
from PIL import *

INSTRUCTIONS = '''This is a single-player puzzle. \n\nThe objective of the game is to clear the board which contains hidden "mines" without detonating any of them with help from clues about the number of neighboring mines in each field.'''

def how2play():
    tkMessageBox.showinfo("Tk MineSweeper", INSTRUCTIONS)
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def get_neighbours(cell):
    row_id, col_id = cell
    SURROUNDING = ((-1, -1), (-1,  0), (-1,  1),
                   (0 , -1), (0 ,  0), (0 ,  1),
                   (1 , -1), (1 ,  0), (1 ,  1))
    zzz = [(row_id + surr_row, col_id + surr_col) for (surr_row, surr_col) in SURROUNDING]
    return [z for z in zzz if z in cv.btn]
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def secs():
    if curr and cv.go is 'active':
        s = str(int((time()-curr)*10)*0.1)+'s'
        cv.secs['text'] = s
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def create_board():
    btn = cv.btn
    cv.safe = [(r,c) for r in range(rrr) for c in range(ccc)]
    btn['restart'] = Button(frame,text='Restart',bg='lightblue',command=restart)
    btn['restart'].grid(row=0,column=ccc-2,columnspan=2,sticky=EW)
    Radiobutton(variable=vvv,val='10 10 16',command=setgame).grid(row=1,column=0)
    Radiobutton(variable=vvv,val='16 16 56',command=setgame).grid(row=1,column=1)
    Radiobutton(variable=vvv,val='18 18 80',command=setgame).grid(row=1,column=2)
    Checkbutton(variable=chkbtn,command=custom).grid(row=1,column=3)
    Button(frame,text='(i)',bg='lightblue',command=how2play).grid(row=1,column=ccc-1,sticky=EW)
    cv.secs = Label(fg='red',font=('Arial Narrow',16))
    cv.secs.grid(row=0,column=ccc-5,columnspan=3,sticky=E)
    cv.secs['text'] = '0.0s'
    for r in range(rrr):
        for c in range(ccc):
            btn[(r,c)]=Button(frame,compound=TOP,width=25,height=25,image=btnSize,command=get_move((r,c)))
            btn[(r,c)].grid(row=r+2,column=c,sticky=EW)
            btn[(r,c)]['text']='%s'%(r*rrr+c%ccc+1)
            btn[(r,c)]['bg']='darkgray'
            btn[(r,c)]['fg']='black'
    corners = [(0,0),(0,ccc-1),(rrr-1,0),(rrr-1,ccc-1)]
    for z in corners:
        btn[z]['bg']='yellow'
        for cell in get_neighbours(z):
            cv.safe.remove(cell)
    m = mines
    while m:
        cell = choice(cv.safe)
        if len([z for z in get_neighbours(cell) if z in loc_mines]) < 5:
            loc_mines.append(cell)
            hints(cell)
            m -= 1
        cv.safe.remove(cell)
    root.deiconify()
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def custom():
    if chkbtn.get():
        Entry(textvariable=ent).grid(row=1,column=4,columnspan=4,sticky=EW)
        setgame()
        ent.set(cv.ent)
    else:
        oFrame()
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def setgame():
    if chkbtn.get():
        t = [int(z) for z in ent.get().split()]
        if len(t) != 3:
            t = [int(z) for z in cv.ent.split()]
        r,c,m = t
        r = max(10,min(r,18))
        c = max(10,min(c,18))
        rc_min,rc_max = 10,int((r*c)*0.36)
        m = min(rc_max,m)
        m = max(rc_min,m)
        cv.ent = ' '.join([str(z) for z in [r,c,m]])
        return r,c,m
    else:
        return oFrame()
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def oFrame():
    r,c,m = cv.lv = [int(z) for z in vvv.get().split()]
    t = '{}x{}: {} mines'.format(r,c,m)
    Label(text=t,font=('Arial Narrow',14)).grid(row=1,column=4,columnspan=4,sticky=EW)
    return r,c,m
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def hints(cell):
    for z in get_neighbours(cell):
        if z in cv.hints:
            cv.hints[z] += 1
        else:
            cv.hints[z] = 1
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def restart():
    cv.go = 'init'
    root.update()
    if chkbtn.get():
        setgame()
        cv.lv = cv.ent
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def get_clue():
    if curr and cv.go is 'active':
        c = int(clue['text'].split()[1])
        if c:
            clue['text'] = 'Clues: '+str(c-1)
            cv.cell = choice(cv.safe)
            cv.safe.remove(cv.cell)
        if c is 1:
            clue['bg']='red'
            clue['fg']='white'
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def chgflag():
    try:
        flag
    except:
        return
    if 'Off' in flag['text']:
        flag['text']='Flag On'
        flag['bg']='green'
        flag['fg']='black'
    else:
        flag['text']='Flag Off'
        flag['bg']='red'
        flag['fg']='white'
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def get_move(rc=0):
    def wrap():
        cv.cell = rc
    return wrap
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class Cv: 0
cv = Cv()
cv.cell = None
cv.go = "init"
cv.ent = '12 12 36'
cv.lv = '10 10 16'
cv.secs = {}
cv.safe = []
root = []
while cv.go:
    cell = cv.cell
    if cv.go is 'init':
        if root:
            root.destroy()
            root.mainloop() # to completely remove all remnants of deleted root
        root = Tk()
        root.title('Tk MineSweeper')
        root.withdraw()
        vvv = StringVar()
        ent = StringVar()
        chkbtn = IntVar()
        chkbtn.set(0)
        if ' ' not in cv.lv:
            cv.lv = ' '.join([str(z) for z in cv.lv])
        vvv.set(cv.lv)
        frame=Frame().grid()
        btnSize = PhotoImage()
        loc_mines = []
        clue=Button(frame,text='Clues: 5',bg='green',command=get_clue)
        clue.grid(row=0,columnspan=2,sticky=EW)
        '''
        flag=Button(frame,command=chgflag)
        flag.grid(row=0,columnspan=2,sticky=EW)
        chgflag()
        '''
        cv.btn = {}
        cv.hints = {}
        curr = 0
        rrr,ccc,mines = setgame()
        create_board()
        cv.go = 'active'
    if cv.go is 'active':
        if cell:
            cv.cell = None
            btn = cv.btn
            if cell in loc_mines:
                for z in loc_mines:
                    btn[z]['text']='O'
                    btn[z]['font'] = ('Arial',21,'bold')
                    btn[z]['fg']='white'
                    btn[z]['bg']='orange'
                    btn[z].config(relief=SUNKEN)
                btn[cell]['text']='X'
                btn[cell]['bg']='red'
                cv.go = 'inactive'
            else:
                surr = get_neighbours(cell)
                for z in surr:
                    if z not in (loc_mines+list(cv.hints)):
                        if z in cv.safe:
                            cv.safe.remove(z)
                        btn[z]['text'] = ' '
                        btn[z].config(relief=SUNKEN)
                        btn[z]['bg'] = 'lightgray'
                if cell in cv.hints:
                    btn[cell]['text'] = cv.hints[cell]
                    btn[cell]['font'] = ('Arial',18,'bold')
                    btn[cell].config(relief=SUNKEN)
                    btn[cell]['bg'] = 'lightgray'
                    btn[cell]['fg'] = 'blue'
                    if cell in cv.safe:
                        cv.safe.remove(cell)
                if not len(cv.safe):
                    cv.go = 'inactive'
                    for z in loc_mines:
                        btn[z]['text']='O'
                        btn[z]['font'] = ('Arial',21,'bold')
                        btn[z]['fg']='white'
                        btn[z]['bg']='green'
                        btn[z].config(relief=SUNKEN)
            if not curr:
                curr = time()
            # print [r*rrr+c%ccc+1 for r,c in cv.safe[:20]]
            # print len(cv.safe)
        secs()
    try:
        root.update()
    except: break