#!/bin/sh
# Terminal CLI -- AhoosAI in the terminal, installed for this user. Terminal CLI made by AhoosAI.
#
#   curl -fsSL https://ahoos-ai.site/downloads/cli/install.sh | sh
#
# On Linux x64 and macOS it installs the built program; elsewhere, or where it cannot run, the script, run by the
# python3 already there. Into ~/.local/bin, checked against the published checksum.
set -eu
base="https://ahoos-ai.site/downloads/cli"
bin="${HOME}/.local/bin"
mkdir -p "$bin"
sums=$(curl -fsSL "$base/SHA256SUMS.txt")
case "$(uname -s)-$(uname -m)" in
  Linux-x86_64) name=$(printf '%s\n' "$sums" | awk '/terminal-cli-[0-9.]+-linux-x64$/ {print $2; exit}') ;;
  Darwin-arm64) name=$(printf '%s\n' "$sums" | awk '/terminal-cli-[0-9.]+-macos-arm64$/ {print $2; exit}') ;;
  Darwin-x86_64) name=$(printf '%s\n' "$sums" | awk '/terminal-cli-[0-9.]+-macos-x64$/ {print $2; exit}') ;;
  *) name="" ;;
esac
if [ -n "$name" ]; then
  want=$(printf '%s\n' "$sums" | awk -v n="$name" '$2 == n {print $1}')
  echo "Downloading $name ..."
  curl -fsSL "$base/$name" -o "$bin/terminal-cli.part"
  got=$( (sha256sum "$bin/terminal-cli.part" 2>/dev/null || shasum -a 256 "$bin/terminal-cli.part") | awk '{print $1}')
  [ "$want" = "$got" ] || { rm -f "$bin/terminal-cli.part"; echo "The download does not match its checksum; nothing was installed." >&2; exit 1; }
  mv "$bin/terminal-cli.part" "$bin/terminal-cli"
  chmod +x "$bin/terminal-cli"
  # A system older than the one it was built on cannot run it: the script, with python3, instead.
  "$bin/terminal-cli" --version >/dev/null 2>&1 || { echo "The program does not run here; installing the script instead."; rm -f "$bin/terminal-cli"; name=""; }
fi
if [ -z "$name" ]; then
  command -v python3 >/dev/null 2>&1 || { echo "Python 3.9 or newer is needed here: https://www.python.org/downloads/" >&2; exit 1; }
  want=$(printf '%s\n' "$sums" | awk '$2 == "terminal_cli.py" {print $1}')
  curl -fsSL "$base/terminal_cli.py" -o "$bin/terminal_cli.py.part"
  got=$( (sha256sum "$bin/terminal_cli.py.part" 2>/dev/null || shasum -a 256 "$bin/terminal_cli.py.part") | awk '{print $1}')
  [ "$want" = "$got" ] || { rm -f "$bin/terminal_cli.py.part"; echo "The download does not match its checksum." >&2; exit 1; }
  mv "$bin/terminal_cli.py.part" "$bin/terminal_cli.py"
  printf '#!/bin/sh\nexec python3 "%s/terminal_cli.py" "$@"\n' "$bin" > "$bin/terminal-cli"
  chmod +x "$bin/terminal-cli"
fi
echo "Installed: $bin/terminal-cli"
case ":$PATH:" in *":$bin:"*) ;; *) echo "Add $bin to your PATH (for example in ~/.profile)." ;; esac
echo "Next: terminal-cli login   (a key from https://ahoos-ai.site/services/platforme/)"