#!/usr/bin/env bash

SESSION="circolog"
TAIL="ctl"
DAEMON="d"
DWINDOW="${SESSION}:${DAEMON}"
TAILWINDOW="${SESSION}:${TAIL}"

d_send_command() {
    tmux send-keys -t "${DWINDOW}.${1}" "${2}" Enter
}

tail_send_command() {
    tmux send-keys -t "${TAILWINDOW}.${1}" "${2}" Enter
}

digit_command() {
    local input=$2
    for (( i=0; i<${#input}; i++ ))
    do
        sleep 0.1
        tmux send-keys -t "${TAILWINDOW}.${1}" "${input:$i:1}"
    done
    sleep 2
    tmux send-keys -t "${TAILWINDOW}.${1}" Enter
}

digit_comment() {
    local input=$2
    for (( i=0; i<${#input}; i++ ))
    do
        sleep 0.1
        tmux send-keys -t "${TAILWINDOW}.${1}" "${input:$i:1}"
    done
    sleep 2
    for (( i=0; i<${#input}; i++ ))
    do
        tmux send-keys -t "${TAILWINDOW}.${1}" "C-h"
    done
}

config() {
    tmux new -s $SESSION -n $TAIL -d
    tmux new-window -t $SESSION -n $DAEMON
    tmux split-window -v -t $DWINDOW
    tmux set-option -t $SESSION status off

    d_send_command 0 "circologd"
    tail_send_command 0 "bash"
    tail_send_command 0 "PS1='my-server ~ '"
    tail_send_command 0 "clear"
}

logger_send() {
    d_send_command 1 "logger -n 127.0.0.1 -P 9514 --rfc5424=nohost -t oper -d -p user.${2:-5} ${1}"
}

start_ctl() {
    sleep 3;
    digit_comment 0 "Let's take a look at circolog-tail, the circologd client to read and *filter* logs."
    digit_command 0 "circolog-tail"
    sleep 2
    logger_send "This is a log message from some program."
    sleep 2
    logger_send "This is an error. Look at these nice colors we have." "3"
    sleep 2
    logger_send "This is a debug message." "7"
    sleep 4
    tail_send_command 0 "C-c"
    sleep 1
    digit_comment 0 "Let's see how to filter. The syntax is SQL-alike."
    sleep 1
    digit_command 0 "circolog-tail -where 'msg LIKE \"%error%\"'"
}

attach_session() {
    tmux attach -t $TAILWINDOW
}

cleanup() {
    send_command 0 "C-c"
    tmux kill-session -t $SESSION
}

trap cleanup 2 15
config
start_ctl &
attach_session