#!/bin/bash

set -eu

if [ $# -lt 1 ]; then
  cat << __USAGE__
Usage:
  $0 <instruction>

Example:
  $0 "show current working directory"
  pwd

  $0 "list up files with file size"
  ls -l

__USAGE__
  exit 1
fi

INSTRUCTION="$1"

# Create Environemnt info
SYSTEM_PROFILE="$(system_profiler SPHardwareDataType -json | jq -rMc '.SPHardwareDataType[0] | ["Model: \(.machine_model)","Chip: \(.chip_type)", "Memory: \(.physical_memory)"][]')"
OS_INFO="OS: $(sw_vers --productName) $(sw_vers --productVersion)"
ENVIRONMENT_INFO="${SYSTEM_PROFILE}\n${OS_INFO}"

# Create prompt
TMP_PROMPT=/tmp/gemma3command_prompt.txt
cat > $TMP_PROMPT << '__INSTRUCTION__'
```
You are shell command generator.
Please output appropreate command for the instruction.
Do not print extra descriptions. All you print is command text.

# Environment

{{ENVIRONMENT}}

# Examples

## Example1

現在のディレクトリのファイルリストを出力してください

ls

## Example2

awkで2行目のみを出力してください

awk '{print $2}'

# Instruction

{{INSTRUCTION}}
```
__INSTRUCTION__

perl -i'' -pe "s|{{ENVIRONMENT}}|${ENVIRONMENT_INFO}|g" $TMP_PROMPT
perl -i'' -pe "s|{{INSTRUCTION}}|${INSTRUCTION}|g" $TMP_PROMPT

# Execute gpt to generate command
RESULT=/tmp/gemma3command_result.txt
ollama run gemma3 "$(< $TMP_PROMPT)" |
  perl -ne 'chomp; print if $_ !~ /^\s*$/' |
  tee $RESULT

cat $RESULT | pbcopy