#!/bin/bash
# generate-installs-manifest.sh — Inspect recipe stage directory and output
# suggested `installs = [...]` declarations for recipe.toml
#
# Usage:
#   scripts/generate-installs-manifest.sh <recipe-name>
#   scripts/generate-installs-manifest.sh base
#   scripts/generate-installs-manifest.sh evdevd
#
# The script examines the recipe's stage directory after a successful build
# and lists all installed files relative to the sysroot root.

set -euo pipefail

if [ $# -lt 1 ]; then
    echo "Usage: $0 <recipe-name>" >&2
    echo "  Inspects the recipe's stage directory and outputs suggested installs = [...]" >&2
    exit 1
fi

RECIPE_NAME="$1"

# Find the recipe directory
RECIPE_DIR=""
for category_dir in recipes/*/; do
    if [ -d "${category_dir}${RECIPE_NAME}" ]; then
        RECIPE_DIR="${category_dir}${RECIPE_NAME}"
        break
    fi
done

if [ -z "$RECIPE_DIR" ]; then
    echo "ERROR: Recipe '$RECIPE_NAME' not found in recipes/*/" >&2
    exit 1
fi

# Determine target architecture
source mk/config.mk 2>/dev/null || true
TARGET_ARCH="${ARCH:-x86_64}"
STAGE_DIR="${RECIPE_DIR}/target/${TARGET_ARCH}-unknown-redox/stage"

if [ ! -d "$STAGE_DIR" ]; then
    STAGE_DIR="${RECIPE_DIR}/target/${TARGET_ARCH}-unknown-redox/stage.tmp"
fi

if [ ! -d "$STAGE_DIR" ]; then
    echo "ERROR: Stage directory not found: $STAGE_DIR" >&2
    echo "       Build the recipe first: ./target/release/repo cook $RECIPE_DIR" >&2
    exit 1
fi

echo "# Generated installs manifest for $RECIPE_NAME"
echo "# Recipe: $RECIPE_DIR"
echo "# Stage: $STAGE_DIR"
echo ""
echo "[package]"

# Collect all files, sorted
FILES=$(cd "$STAGE_DIR" && find . -type f -o -type l | sed 's|^\./||' | sort)

if [ -z "$FILES" ]; then
    echo "# No files found in stage directory"
    exit 0
fi

echo "installs = ["
while IFS= read -r file; do
    echo "    \"/${file}\","
done <<< "$FILES"
echo "]"

echo ""
echo "# Total: $(echo "$FILES" | wc -l) files"
echo "# To apply: copy the installs = [...] block into $RECIPE_DIR/recipe.toml"