#!/usr/bin/env bash
set -euo pipefail

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

log()  { echo -e "${GREEN}[release]${NC} $1"; }
warn() { echo -e "${YELLOW}[release]${NC} $1"; }
err()  { echo -e "${RED}[release]${NC} $1" >&2; }

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
ANDROID_DIR="$PROJECT_DIR/android"
APP_BUILD_GRADLE="$ANDROID_DIR/app/build.gradle"
SIGNING_PROPS="$ANDROID_DIR/signing.properties"
FORGEJO_URL="https://git.eddydevink.nl/api/v1/repos/eddy/Project_SylDa"
CHECK_VERSIONS="$PROJECT_DIR/tools/check_versions.sh"
COPY_FIRMWARE="$PROJECT_DIR/tools/copy_firmware.sh"
FIRMWARE_DIR="$ANDROID_DIR/app/src/main/assets/firmware"

VERSION=$(grep -oP 'versionName\s+"\K[^"]+' "$APP_BUILD_GRADLE")
TAG="v$VERSION"
RELEASE_DIR="$PROJECT_DIR/release/$TAG"

log "Release v$VERSION (tag $TAG)"
log "========================================="

if [ ! -f "$SIGNING_PROPS" ]; then
    err "signing.properties niet gevonden op $SIGNING_PROPS"
    exit 1
fi

# ── Build firmware ────────────────────────────────────────────
log "Build firmware (pio run)..."
cd "$PROJECT_DIR"
pio run
log "Firmware built."

log "Copy firmware to Android assets..."
bash "$COPY_FIRMWARE"
log "Firmware copied."

# ── Build Android ─────────────────────────────────────────────
log "Clean Gradle..."
cd "$ANDROID_DIR"
./gradlew clean

log "Build release APK + AAB..."
./gradlew assembleRelease bundleRelease
log "Android built."

# ── Verify version consistency ────────────────────────────────
log "Verify version consistency..."
if ! bash "$CHECK_VERSIONS"; then
    err "Version mismatch detected — aborting release."
    err "version.txt is source of truth. Both version.h and SylDaVersions.kt are regenerated above."
    exit 1
fi

# ── Gather artifacts ──────────────────────────────────────────
log "Verzamel artefacten in $RELEASE_DIR"
rm -rf "$RELEASE_DIR"
mkdir -p "$RELEASE_DIR"

cp "$ANDROID_DIR/app/build/outputs/apk/release/app-release.apk" "$RELEASE_DIR/"
cp "$ANDROID_DIR/app/build/outputs/bundle/release/app-release.aab" "$RELEASE_DIR/"

# Server firmware
cp "$FIRMWARE_DIR/server/bootloader.bin" "$RELEASE_DIR/server-bootloader.bin"
cp "$FIRMWARE_DIR/server/partitions.bin"  "$RELEASE_DIR/server-partitions.bin"
cp "$FIRMWARE_DIR/server/boot_app0.bin"   "$RELEASE_DIR/server-boot_app0.bin"
cp "$FIRMWARE_DIR/server/firmware.bin"    "$RELEASE_DIR/server-firmware.bin"

# Client firmware
cp "$FIRMWARE_DIR/client/bootloader.bin" "$RELEASE_DIR/client-bootloader.bin"
cp "$FIRMWARE_DIR/client/partitions.bin"  "$RELEASE_DIR/client-partitions.bin"
cp "$FIRMWARE_DIR/client/boot_app0.bin"   "$RELEASE_DIR/client-boot_app0.bin"
cp "$FIRMWARE_DIR/client/firmware.bin"    "$RELEASE_DIR/client-firmware.bin"

log "Checksums..."
cd "$RELEASE_DIR"
sha256sum * > checksums.txt
cat checksums.txt

# ── Git tag ───────────────────────────────────────────────────
cd "$PROJECT_DIR"
if git diff --quiet && git diff --cached --quiet; then
    log "Working tree clean."
else
    warn "Working tree has uncommitted changes. Commit before releasing."
    warn "Uncommitted files:"
    git status --short
    exit 1
fi

if git rev-parse "$TAG" >/dev/null 2>&1; then
    log "Tag $TAG bestaat al, skip git tag."
else
    log "Git tag $TAG..."
    git tag "$TAG"
    git push origin "$TAG"
fi

# ── Create Forgejo release ────────────────────────────────────
log "Forgejo release aanmaken..."
TOKEN_FILE="$HOME/.config/sylda/forgejo-token"
if [ ! -f "$TOKEN_FILE" ]; then
    err "Forgejo token niet gevonden op $TOKEN_FILE"
    err "Genereer een token in Forgejo: Settings > Applications > Generate Token (scope: write:repository)"
    err "Sla op als: echo 'je-token' > $TOKEN_FILE"
    exit 1
fi
TOKEN=$(cat "$TOKEN_FILE")

RELEASE_RESP=$(curl -s -X POST "$FORGEJO_URL/releases" \
    -H "Authorization: token $TOKEN" \
    -H "Content-Type: application/json" \
    -d "{\"tag_name\": \"$TAG\", \"name\": \"$TAG\", \"body\": \"SylDa Android app + firmware\", \"draft\": false, \"prerelease\": false}")

RELEASE_ID=$(echo "$RELEASE_RESP" | python3 -c 'import sys,json; print(json.load(sys.stdin)["id"])' 2>/dev/null || true)

if [ -z "$RELEASE_ID" ]; then
    err "Release aanmaken mislukt. Response:"
    echo "$RELEASE_RESP"
    exit 1
fi
log "Release ID: $RELEASE_ID"

cd "$RELEASE_DIR"
for f in *; do
    log "  Upload $f..."
    curl -s -X POST "$FORGEJO_URL/releases/$RELEASE_ID/assets?name=$f" \
        -H "Authorization: token $TOKEN" \
        -H "Content-Type: application/octet-stream" \
        --data-binary "@$f" > /dev/null
done

log "========================================="
log "Klaar! Release $TAG staat op Forgejo."
log "  $FORGEJO_URL/releases/tag/$TAG" | sed 's|/api/v1/repos/||'