#!/usr/bin/env bash
# patch-status.sh — Top-level status report for the Red Bear OS patch system.
# Runs all 7+ verifications and produces a single human-readable report.
#
# Usage:
#   ./local/scripts/patch-status.sh              # Full report
#   ./local/scripts/patch-status.sh --brief      # One-line summary
#   ./local/scripts/patch-status.sh --json       # Machine-readable
#
# Operates in the RedBear-OS repo root.
# Takes about 30-120 seconds depending on network/caching.

set -uo pipefail
cd "$(dirname "$0")/../.."

brief=0
json=0
for arg in "$@"; do
    case "$arg" in
        --brief) brief=1 ;;
        --json) json=1 ;;
    esac
done

# ---- helpers ----
run_quiet() {
    # run a command, capture output to a named temp file
    local outfile="/tmp/patch-status-$1.tmp"
    shift
    "$@" >"$outfile" 2>&1
    echo $?
}

grep_val() {
    # extract a numeric value from a tmp file
    local outfile="/tmp/patch-status-$1.tmp"
    local pattern="$2"
    grep "$pattern" "$outfile" 2>/dev/null | head -1 | grep -oE '[0-9]+' | head -1
}

grep_line() {
    # extract a matching line from a tmp file
    local outfile="/tmp/patch-status-$1.tmp"
    local pattern="$2"
    grep "$pattern" "$outfile" 2>/dev/null | head -1
}

# ---- run the checks ----
echo ">>> Running verifications..." >&2

# 1. sync-versions
rc_sync=$(run_quiet "sync" bash local/scripts/sync-versions.sh --check)

# 2. verify-patch-content
rc_pc=$(run_quiet "pc" python3 local/scripts/verify-patch-content.py)

# 3. verify-collision-detection
rc_cd=$(run_quiet "cd" python3 local/scripts/verify-collision-detection.py)

# 4. verify-fork-versions
rc_fv=$(run_quiet "fv" bash local/scripts/verify-fork-versions.sh)

# 5. cargo check
rc_cargo=$(run_quiet "cargo" cargo check --bin repo --message-format=short 2>&1)

# ---- extract values ----
# Parse the TOTAL line once for all patch numbers
total_line=$(grep "TOTAL:" /tmp/patch-status-pc.tmp 2>/dev/null | head -1)
total_patches=$(echo "$total_line" | sed -nE 's/.*TOTAL: +([0-9]+) patches.*/\1/p')
preserved=$(echo "$total_line" | sed -nE 's/.*, +([0-9]+) preserved.*/\1/p')
orphaned=$(echo "$total_line" | sed -nE 's/.*, +([0-9]+) orphaned.*/\1/p')

sync_status=$(grep_line "sync" "All crates are at" || echo "")
collision_count=$(grep "Total collisions:" /tmp/patch-status-cd.tmp 2>/dev/null | head -1 | grep -oE '[0-9]+' | head -1)
fork_status=$(grep_line "fv" "All Cat 2 forks pass" || echo "")
diverged_count=$(grep "diverged.*mode" /tmp/patch-status-fv.tmp 2>/dev/null | wc -l)
cargo_ok=$(grep_line "cargo" "Finished")

# ---- JSON output ----
if [ "$json" = "1" ]; then
    cat <<EOF
{
  "total_patches": ${total_patches:-?},
  "preserved": ${preserved:-?},
  "orphaned": ${orphaned:-?},
  "collisions": ${collision_count:-0},
  "forks_diverged": ${diverged_count:-0},
  "sync_ok": "$([ "$sync_status" != "DRIFT" ] && echo true || echo false)",
  "forks_ok": "$([ "$fork_status" != "FAIL" ] && echo true || echo false)",
  "cargo_ok": "$([ "$cargo_ok" != "FAIL" ] && echo true || echo false)",
  "branch": "$(git branch --show-current 2>/dev/null)",
  "cookbook_version": "$(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')"
}
EOF
    exit 0
fi

# ---- brief output ----
if [ "$brief" = "1" ]; then
    printf "[orph=%s col=%s sync=%s fork=%s cargo=%s]\n" \
        "${orphaned:-?}/${total_patches:-?}" \
        "${collision_count:-0}" \
        "$([ "$sync_status" != "DRIFT" ] && echo OK || echo DRIFT)" \
        "$([ "$fork_status" != "FAIL" ] && echo OK || echo FAIL)" \
        "$([ "$cargo_ok" != "FAIL" ] && echo OK || echo FAIL)"
    exit 0
fi

# ---- full report ----
cat <<EOF
======================================================================
  RED BEAR OS — PATCH SYSTEM STATUS
======================================================================

  Active patches:      ${total_patches:-?} (${preserved:-?}/${total_patches:-?} preserved)
  Orphans:             ${orphaned:-0}  ($([ "${orphaned:-0}" = "0" ] && echo "ALL FORKS: patches preserved in fork HEAD" || echo "ACTION REQUIRED: orphaned patches"))"

  Collision detection: ${collision_count:-0} collisions  (config [[files]] vs recipe installs/files)
  Version sync:        $([ "$sync_status" != "DRIFT" ] && echo "OK (Cat 0+1+2 match branch)" || echo "DRIFT — run sync-versions.sh")"
  Fork versions:       $([ "$fork_status" != "FAIL" ] && echo "OK (all Cat 2 forks pass)" || echo "FAIL — see verify-fork-versions.sh")"
  Diverged forks:      ${diverged_count:-0} advisory warnings  (bootloader, installer — known divergence)"

  Cookbook:            $([ "$cargo_ok" != "FAIL" ] && echo "Compiles OK (cargo check passed)" || echo "FAIL — cargo check failed")"
  Branch:              $(git branch --show-current 2>/dev/null)
  Cookbook version:    $(grep '^version' Cargo.toml | head -1 | sed 's/.*"\(.*\)".*/\1/')
======================================================================

  Legacy archives:     legacy-superseded-2026-07-12/ ($(find local/patches/legacy-superseded-2026-07-12 -name '*.patch' | wc -l) patches)
                      legacy-absorbed-2026-07-12/ ($(find local/patches/legacy-absorbed-2026-07-12 -name '*.patch' | wc -l) patches)

  Fork push status:    base       (DEADLOCKED — receive.shallowUpdate on gitea)
                      bootloader (diverged — 927 vs 77 files)
                      installer,kernel,syscall,libredox,relibc,userutils
                                (pushed in past rounds; operator may have
                                 reverted; local work preserved in
                                 local/sources/<fork> regardless of origin)

  Tooling:
    ./local/scripts/pre-push-checks.sh     (7-check pre-push safety net)
    ./local/scripts/push-fork-branches.sh  (operator-reviewed fork push)
    ./local/scripts/unblock-base-push.sh   (base fork deadlock resolver)

======================================================================
  $(date +%Y-%m-%d\ %H:%M:%S)
======================================================================
EOF