#!/usr/bin/env python
# encoding: utf-8


from random_expression import RdExpression

def red_prod():
    form1 = "{a}x \\times  {b}"
    cond1 = ["{a} != 1", "{b} > 1"]
    rdExp1 = RdExpression(form1, cond1, with_Exp = False)
    exp1 = rdExp1()

    form2 = "{a}x \\times {b}x"
    cond2 = ["{a} != 1", "{b} > 1"]
    rdExp2 = RdExpression(form2, cond2, with_Exp = False)
    exp2 = rdExp2()

    ans = exp1 + "= \\parbox{1cm}{\\dotfill} \\hspace{2cm} " +  exp2 + "= \\parbox{1cm}{\\dotfill}"
    return ans

def red_somme():
    form1 = "{a}x + {b} + {c}x"
    cond1 = ["{a} != 1","{c} > 1"]
    rdExp1 = RdExpression(form1, cond1, with_Exp = False)
    exp1 = rdExp1()

    form2 = "{a}x + {b} + {c}x"
    cond2 = ["{a} != 1","{c} > 1"]
    rdExp2 = RdExpression(form2, cond2, with_Exp = False)
    exp2 = rdExp2()

    ans = exp1 + " = \\parbox{3cm}{\\dotfill} = \\parbox{2cm}{\\dotfill} \\\\[0.5cm]"
    ans += exp2 + " = \\parbox{3cm}{\\dotfill} = \\parbox{2cm}{\\dotfill} \\\\[0.5cm]"
    return ans

def simple_prod():
    form = "{a}({b}x + {c})"
    cond = ["{a} != 1", "{b} != 1", "{c} > 1"]
    rdExp = RdExpression(form, cond, with_Exp = False)
    return rdExp()
    
def double_prod():
    form = "({a}x - {d})({b}x + {c})"
    cond = ["{a} != 1", "{b} != 1", "{d} > 1", "{c} > 1"]
    rdExp = RdExpression(form, cond, with_Exp = False)
    return rdExp()

def carre_prod():
    form = "({a}x + {d})^2"
    cond = ["{a} != 1", "{d} > 1"]
    rdExp = RdExpression(form, cond, with_Exp = False)
    return rdExp()






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