#!/usr/bin/env bash
# Phase 1.4: Documentation Rebranding
# Replaces PikeOS/SYSGO references in documentation with UniversalisOS/Portugal Futurista
set -euo pipefail

BASE="/home/fabiorafaelcoutada/portugalfuturista/universalisos"
DOCS="$BASE/docs-extracted"
WEBSITE_DOCS="$BASE/website/docs"

echo "=== Phase 1.4: Documentation Rebranding ==="

# Rebrand docs-extracted markdown files
echo ">>> Rebranding docs-extracted/ ..."
REBRAND_COUNT=0
while IFS= read -r -d '' f; do
    mime=$(file --mime-type -b "$f" 2>/dev/null)
    case "$mime" in
        text/*)
            sed -i \
                -e 's/\bPikeOS D5\.0\b/UniversalisOS D5.0/g' \
                -e 's/\bPikeOS 5\.0\b/UniversalisOS 5.0/g' \
                -e 's/\bPikeOS 4\.x\b/UniversalisOS 4.x/g' \
                -e 's/\bPikeOS 4\.0\b/UniversalisOS 4.0/g' \
                -e 's/\bPikeOS 4\.1\b/UniversalisOS 4.1/g' \
                -e 's/\bPikeOS 4\.2\b/UniversalisOS 4.2/g' \
                -e 's/\bPikeOS\b/UniversalisOS/g' \
                -e 's/\bpikeos\b/universalisos/g' \
                -e 's/\bPIKEOS\b/UNIVERSALISOS/g' \
                -e 's/\bSYSGO AG\b/Portugal Futurista/g' \
                -e 's/\bSYSGO\b/Portugal Futurista/g' \
                -e 's/\bsysgo\.com\b/portugalfuturista.org/g' \
                "$f"
            REBRAND_COUNT=$((REBRAND_COUNT + 1))
            ;;
    esac
done < <(find "$DOCS" -type f -name '*.md' -print0 2>/dev/null)
echo "  docs-extracted/: $REBRAND_COUNT files"

# Rebrand website/docs markdown files
echo ">>> Rebranding website/docs/ ..."
WEBSITE_COUNT=0
while IFS= read -r -d '' f; do
    mime=$(file --mime-type -b "$f" 2>/dev/null)
    case "$mime" in
        text/*)
            sed -i \
                -e 's/\bPikeOS D5\.0\b/UniversalisOS D5.0/g' \
                -e 's/\bPikeOS 5\.0\b/UniversalisOS 5.0/g' \
                -e 's/\bPikeOS 4\.x\b/UniversalisOS 4.x/g' \
                -e 's/\bPikeOS 4\.0\b/UniversalisOS 4.0/g' \
                -e 's/\bPikeOS 4\.1\b/UniversalisOS 4.1/g' \
                -e 's/\bPikeOS 4\.2\b/UniversalisOS 4.2/g' \
                -e 's/\bPikeOS\b/UniversalisOS/g' \
                -e 's/\bpikeos\b/universalisos/g' \
                -e 's/\bPIKEOS\b/UNIVERSALISOS/g' \
                -e 's/\bSYSGO AG\b/Portugal Futurista/g' \
                -e 's/\bSYSGO\b/Portugal Futurista/g' \
                -e 's/\bsysgo\.com\b/portugalfuturista.org/g' \
                "$f"
            WEBSITE_COUNT=$((WEBSITE_COUNT + 1))
            ;;
    esac
done < <(find "$WEBSITE_DOCS" -type f -name '*.md' -print0 2>/dev/null)
echo "  website/docs/: $WEBSITE_COUNT files"

# Integrate docs-extracted into website/docs
echo ">>> Integrating docs-extracted into website/docs ..."
INTEGRATED=0
for subdir in "$DOCS"/*/; do
    subdir_name=$(basename "$subdir")
    # Skip if already exists in website/docs
    if [[ ! -d "$WEBSITE_DOCS/$subdir_name" ]]; then
        mkdir -p "$WEBSITE_DOCS/$subdir_name"
    fi
    while IFS= read -r -d '' f; do
        fname=$(basename "$f")
        if [[ ! -f "$WEBSITE_DOCS/$subdir_name/$fname" ]]; then
            cp "$f" "$WEBSITE_DOCS/$subdir_name/$fname"
            INTEGRATED=$((INTEGRATED + 1))
        fi
    done < <(find "$subdir" -type f -name '*.md' -print0 2>/dev/null)
done
echo "  Integrated $INTEGRATED new doc files"

# Verification
echo "" | tee -a "$LOG"
echo "=== Verification ==="
REMAINING_PIKEOS=$(grep -rIl 'PikeOS\|pikeos\|PIKEOS' "$DOCS" "$WEBSITE_DOCS" 2>/dev/null | wc -l)
REMAINING_SYSGO=$(grep -rIl 'SYSGO' "$DOCS" "$WEBSITE_DOCS" 2>/dev/null | wc -l)
echo "Files still containing PikeOS: $REMAINING_PIKEOS"
echo "Files still containing SYSGO: $REMAINING_SYSGO"
echo ""
echo "=== Documentation rebrand complete ==="
echo "Total files rebranded: $((REBRAND_COUNT + WEBSITE_COUNT))"
echo "Files integrated: $INTEGRATED"