Bash - syntax error near unexpected token `fi'

#!/usr/bin/env bash

if [[ $# -eq '0' ]]
then
    var=command

    if [[ ${var} -eq '0' ]]
    then
        do something
    else
        do something else
    fi
fi

if [[ $# -eq '1' ]]
    usage;
fi

if [[ $# -eq '2' ]]
    if [[ "$1" != "-r" ]]
    then
        usage;
    fi
    if [[ "$2" =~ some_pattern ]]
    then
        do something
    else
        echo "Pattern is in an improper format. Please enter it as: correct_pattern, and try again"
        exit 1
    fi
    usage="Usage: meta_script.sh -r correct_pattern
    -r for reset is used to manually pass a parameter instead of using the default"
exit 1
fi

When I run this script, this is the error I get:

./meta_script.sh: line 31: syntax error near unexpected token `fi'
./meta_script.sh: line 31: `fi'

In the first if statement where I'm checking if the number of parameters are equal to 1, I had put a then, but I got the same error as above, except with then instead of fi. It's almost as if no matter what I put and where, I get these errors and when I remove them to try and fix it, I get another bunch of similar errors. Please help me correct this script. Thanks!