#!/usr/bin/env bash
set -euo pipefail

BAR_WIDTH=40
SLEEP_INTERVAL=0.05
CLEAR_LINE="\033[K"
GREEN="\033[32m"
RESET="\033[0m"

STAGES=(
    "Stage changes"
    "Commit changes"
    "Push to remote"
)

COMMANDS=(
    "git add ."
    "git commit -m \"Manual Push\""
    "git push"
)

draw_bar() {
    local percent=$1
    local width=$2
    local text="$3"

    local clean_text=$(echo -ne "$text" | sed 's/\x1b\[[0-9;]*m//g')
    [ ${#clean_text} -gt $width ] && clean_text="${clean_text:0:$width}"

    local filled=$(( percent * width / 100 ))
    [ $filled -gt $width ] && filled=$width

    local text_start=$(( (width - ${#clean_text}) / 2 ))
    local text_end=$(( text_start + ${#clean_text} ))

    local bar=""
    for ((i=0;i<width;i++)); do
        if (( i >= text_start && i < text_end )); then
            bar+="${clean_text:i-text_start:1}"
        else
            if (( i < filled )); then
                bar+="#"
            else
                bar+="-"
            fi
        fi
    done

    printf "[%s] %3d%%" "$bar" "$percent"
}

run_stage() {
    local name=$1
    local cmd=$2
    local start=$3
    local end=$4

    bash -c "$cmd" > /dev/null 2>&1 &
    local pid=$!

    local percent=$start
    while kill -0 "$pid" 2>/dev/null; do
        [ "$percent" -lt "$end" ] && percent=$((percent + 1))
        echo -ne "\r$(draw_bar $percent $BAR_WIDTH "$name")$CLEAR_LINE"
        sleep "$SLEEP_INTERVAL"
    done

    wait "$pid"
    echo -ne "\r$(draw_bar $end $BAR_WIDTH "$name")$CLEAR_LINE"
    echo
}

main() {
    local total=${#STAGES[@]}
    for i in "${!STAGES[@]}"; do
        start=$(( i * 100 / total ))
        end=$(( (i + 1) * 100 / total ))
        run_stage "${STAGES[$i]}" "${COMMANDS[$i]}" "$start" "$end"
    done

    echo -e "${GREEN}Push complete!${RESET}"
}

main