#!/usr/bin/env bash

#MISE description="Run static checks for code formatting, translations, quality"

set -e

source "$(git rev-parse --show-toplevel)/scripts/_helpers.sh"

ensure_working_directory!

# Collect changed files (staged, unstaged, untracked) for conditional gating.
changed_lines() {
  {
    git diff --cached --name-only 2>/dev/null
    git diff --name-only 2>/dev/null
    git ls-files --others --exclude-standard 2>/dev/null
  } | sort -u
}

# Determine if we should gate checks on changed files.
# --all flag forces running all checks regardless of changes.
# No changes at all also runs everything (fresh clone, clean slate).
if [ "${1:-}" = "--all" ]; then
  debug_msg "--all flag passed — running all checks."
  SKIP_GATE=true
elif [ -z "$(changed_lines)" ]; then
  debug_msg "No changes detected — running all checks."
  SKIP_GATE=true
else
  SKIP_GATE=false
fi

# --- Shell scripts ---
if $SKIP_GATE || changed_lines | grep -qE '^scripts/'; then
  debug_msg "Running shellcheck..."
  fd . 'scripts/' --exclude '*.hurl' -t file --exec shellcheck --color
fi

# --- Elixir ---
if $SKIP_GATE || changed_lines | grep -qE '^(lib/|test/|config/|mix\.exs|mix\.lock|priv/repo/migrations/|priv/gettext/|\.credo\.exs|\.formatter\.exs|\.sobelow-conf)'; then
  debug_msg "Formatting..."
  mix format

  debug_msg "Running credo..."
  mix credo

  debug_msg "Extracting translations..."
  mix gettext.extract --merge

  debug_msg "Auditing dependencies for CVEs (warn-only)..."
  mix deps.audit || true
fi

# --- Assets (JS/TS/CSS) ---
if $SKIP_GATE || changed_lines | grep -qE '^assets/|^\.pi/extensions/'; then
  debug_msg "Running prettier on assets..."
  prettier --write '.pi/extensions/**/*.{ts,js,json}'
  prettier --write 'assets/css/**/*.css' 'assets/js/**/*.js'
fi

# --- Documentation ---
if $SKIP_GATE || changed_lines | grep -qE '^docs/|^README\.md$'; then
  debug_msg "Running prettier on docs..."
  prettier --write 'docs/**/*.md' 'docs/**/*.livemd' 'README.md'
fi

# --- Backlog ---
if $SKIP_GATE || changed_lines | grep -qE '^backlog/'; then
  debug_msg "Running prettier on backlog..."
  prettier --write 'backlog/archive/**/*.md' 'backlog/completed/**/*.md' 'backlog/tasks/**/*.md' 'backlog/docs/**/*.md'
fi