#!/usr/bin/env bash

set -euo pipefail

CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Function to read tmux options with default values
get_tmux_option() {
    local option="$1"
    local default_value="$2"
    local option_value
    option_value=$(tmux show-option -gqv "$option")
    if [ -z "$option_value" ]; then
        echo "$default_value"
    else
        echo "$option_value"
    fi
}

# Example: read user configuration
# my_option=$(get_tmux_option "@plugin_option" "default_value")

function get_datetime {
    date "+%d/%m/%Y %H:%M"
}

function show_reminders {
    local datetime
    datetime=$(get_datetime)

    # Ottieni la larghezza della finestra tmux corrente
    local tmux_width
    tmux_width=$(tmux display-message -p '#{window_width}')

    # Esporta la larghezza per lo script
    export TERM_WIDTH="$tmux_width"

    # Esegui lo script per generare l'output e ottenere le informazioni
    local output
    output=$("$CURRENT_DIR/show_reminders.sh")

    local tmp_file
    local max_line_width
    tmp_file=$(echo "$output" | head -n1)
    max_line_width=$(echo "$output" | tail -n1)

    # Imposta larghezza minima 40, massima = larghezza finestra tmux
    local popup_width
    if [ -z "$max_line_width" ] || [ "$max_line_width" -lt 40 ]; then
        popup_width=40
    elif [ "$max_line_width" -gt "$tmux_width" ]; then
        popup_width="99%"
    else
        # Aggiungi qualche carattere per margini
        popup_width=$((max_line_width + 4))
        if [ "$popup_width" -gt "$tmux_width" ]; then
            popup_width="$tmux_width"
        fi
    fi

    tmux display-popup -T "#[align=centre]Today's Reminders - $datetime" -w "$popup_width" -h 60% -x C -y C -E -- "$CURRENT_DIR/show_reminders.sh" "$tmp_file"
}

function show_calendar {
    local datetime
    datetime=$(get_datetime)
    tmux display-popup -T "#[align=centre]Next 4 Weeks - $datetime" -w 99% -h 99% -x C -y C -E -- "$CURRENT_DIR/show_calendar.sh"
}

function main {
    if [ "$1" == "reminders" ]; then
        show_reminders
    else
        show_calendar
    fi
}

main "$@"