sigara aşk siirleri yazacam artık o hatteyim

The first possible sentence is ;

sigaraya aşk siirleri yazacam artık o haldeyim

 I am in such a state that I may [even] write love poems onto the cigarette [box].

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The second possible sentence is ;

sigaraya aşk siirleri yazacam artık o haddeyim

I reached [to] such a point [limit] that I may [even] write love poems onto the cigarette [box].

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The third possible sentence is ;

sigara, aşk siirleri yazacam artık o haddeyim.

I reached [to] such a point [limit] that I may [even] write poems about cigaratte and love. 

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Note : However, I would go for either first one or the second, as the third one wouldnt be very sensible.

How about this one? He hasn´t smoked for a long time ad he misses cigarette so much so he can even write love poems for it.

That´s possible too.. 

 The problem is that ; In "this poetic line" there are typos and missing letters and it gives us freedom on speculating about what he really wanted to mean.