#!/usr/bin/env fish
# Install the J621 fish greeting:
#   * copies fish_greeting.fish into ~/.config/fish/functions/
#   * creates ~/.config/j621Greeting/config.fish from the example (once)
#   * checks the tools it needs
#
# Usage: fish install.fish

set -l here (path resolve (dirname (status --current-filename)))
set -l functions_dir ~/.config/fish/functions
set -l config_dir ~/.config/j621Greeting
set -l problems 0

mkdir -p $functions_dir
cp "$here/fish_greeting.fish" "$functions_dir/fish_greeting.fish"
echo "Installed $functions_dir/fish_greeting.fish"

mkdir -p $config_dir
if test -f "$config_dir/config.fish"
    echo "Keeping existing $config_dir/config.fish"
else
    cp "$here/config.example.fish" "$config_dir/config.fish"
    echo "Created $config_dir/config.fish — edit J621_BASE (and J621_TOKEN) there"
end

for tool in curl fastfetch file
    if not command -v $tool >/dev/null 2>&1
        set problems 1
        echo "Missing required tool: $tool"
    end
end

if not command -v curl >/dev/null 2>&1; and not command -v wget >/dev/null 2>&1
    set problems 1
    echo "Missing required tool: curl (or wget)"
end

for tool in gifsicle jq python3
    if not command -v $tool >/dev/null 2>&1
        echo "Optional tool not found: $tool (the greeting still works)"
    end
end

if test $problems -eq 0
    echo
    echo "Done. Test it now with:  fish_greeting"
    echo "Rating mode lives in ~/.config/fish/greeting_mode (0=NSFW, 1=SFW, 2=Questionable)."
    echo "The old gm-switch tool / .desktop launchers keep working — same file."
else
    echo
    echo "Install the missing tools, then run: fish_greeting"
end