#!/bin/bash
# ============================================================================
# DarkForge Linux — Phase 3, Chapter 8: Master Batch 4 Runner
# ============================================================================
# Purpose:  Execute all 25 scripts from batch 4 (Chapter 8 final) in order.
#           Run this from inside the chroot.
# Inputs:   All 155-179 scripts present and executable
# Outputs:  Complete base system with all utilities installed
# Assumes:  Running inside chroot, Phase 0-3 earlier scripts complete
# ============================================================================

set -euo pipefail

source /sources/toolchain-scripts/100-chroot-env.sh

echo "=========================================================================="
echo "DarkForge Linux — Phase 3, Chapter 8: BATCH 4 EXECUTION"
echo "=========================================================================="
echo ""
echo "This script will execute all 25 build scripts from batch 4 in sequence."
echo "Each script builds one major package or group of packages."
echo ""
echo "Total build time: expect 30-60 minutes (depends on CPU speed)"
echo ""
read -p "Press Enter to continue, or Ctrl+C to abort... " dummy

cd /sources/toolchain-scripts || { echo "ERROR: Cannot find scripts directory"; exit 1; }

# Array of all scripts in execution order
SCRIPTS=(
    "155-kmod.sh"
    "156-coreutils.sh"
    "157-diffutils.sh"
    "158-gawk.sh"
    "159-findutils.sh"
    "160-groff.sh"
    "161-gzip.sh"
    "162-iproute2.sh"
    "163-kbd.sh"
    "164-libpipeline.sh"
    "165-make.sh"
    "166-patch.sh"
    "167-tar.sh"
    "168-texinfo.sh"
    "169-vim.sh"
    "170-markupsafe.sh"
    "171-jinja2.sh"
    "172-eudev.sh"
    "173-man-db.sh"
    "174-procps-ng.sh"
    "175-util-linux.sh"
    "176-e2fsprogs.sh"
    "177-sysklogd.sh"
    "178-sysvinit.sh"
    "179-strip-and-cleanup.sh"
)

SUCCESS_COUNT=0
FAIL_COUNT=0
FAILED_SCRIPTS=()

echo ""
echo "=========================================================================="
echo "Starting batch 4 build sequence..."
echo "=========================================================================="
echo ""

START_TIME=$(date +%s)

for i in "${!SCRIPTS[@]}"; do
    SCRIPT="${SCRIPTS[$i]}"
    CURRENT=$((i + 1))
    TOTAL=${#SCRIPTS[@]}

    if [ ! -f "$SCRIPT" ]; then
        echo "[ERROR] Script not found: $SCRIPT"
        FAILED_SCRIPTS+=("$SCRIPT (not found)")
        ((FAIL_COUNT++))
        continue
    fi

    echo ""
    echo "------------------------------------------------------------------------"
    echo "[$CURRENT/$TOTAL] Running: $SCRIPT"
    echo "------------------------------------------------------------------------"

    if ./"$SCRIPT"; then
        echo "[SUCCESS] $SCRIPT completed"
        ((SUCCESS_COUNT++))
    else
        echo "[FAILED] $SCRIPT exited with error code $?"
        FAILED_SCRIPTS+=("$SCRIPT")
        ((FAIL_COUNT++))
        # Don't exit on error — continue to see all failures
        # (Or uncomment next line to stop on first failure)
        # exit 1
    fi
done

END_TIME=$(date +%s)
ELAPSED=$((END_TIME - START_TIME))

echo ""
echo "=========================================================================="
echo "BATCH 4 BUILD COMPLETE"
echo "=========================================================================="
echo ""
echo "Build Summary:"
echo "  Total scripts: ${#SCRIPTS[@]}"
echo "  Successful:   $SUCCESS_COUNT"
echo "  Failed:       $FAIL_COUNT"
echo "  Elapsed time: $((ELAPSED / 60))m $((ELAPSED % 60))s"
echo ""

if [ $FAIL_COUNT -gt 0 ]; then
    echo "FAILED SCRIPTS:"
    for script in "${FAILED_SCRIPTS[@]}"; do
        echo "  - $script"
    done
    echo ""
    echo "Please review the error messages above and rerun failed scripts individually."
    exit 1
else
    echo "All scripts completed successfully!"
    echo ""
    echo "Next steps:"
    echo "  1. Exit chroot (type 'exit' or press Ctrl+D)"
    echo "  2. Proceed with Phase 4 — Kernel Configuration"
    echo "  3. Then Phase 5 — Init System Configuration"
    echo ""
fi