#!/bin/bash
# -----------------------------------------------------------------------------------------------
# --------------------------------- Git Pull & Execute Script -----------------------------------
# -----------------------------------------------------------------------------------------------
# Pulls latest scripts from Gitea repo via SSH and sets executable permissions.
# Lives at the repo root — sources Master.conf and common.sh from the same directory.
# Uses GITEA_SSH_KEY, SSH_PORT and REPO_SSH from Master.conf.
# Supports --dry-run, --log, --status flags via common.sh parse_args.
# -----------------------------------------------------------------------------------------------

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Root level script — sources from same directory, not parent
source "$SCRIPT_DIR/Master.conf"
source "$SCRIPT_DIR/common.sh"

parse_args "$@"

# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_GEAR Setup ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━ $ICON_GEAR Setup ━━━"

# ROOT CHECK
if [[ "$EUID" -ne 0 ]]; then
    error "Must be run as root"
    exit 1
fi

success "Running as root"

# VALIDATION
require_var REPO_SSH
require_var TARGET_DIR
require_var GITEA_SSH_KEY
require_var SSH_PORT

# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_SUMMARY Status ━━━
# -----------------------------------------------------------------------------------------------
if [[ "$SHOW_STATUS" == true ]]; then
    echo ""
    echo "━━━━━ $ICON_SUMMARY STATUS ━━━━━"
    echo "$ICON_NET  Repo:    $REPO_SSH"
    echo "$ICON_GEAR Target:  $TARGET_DIR"
    echo "$ICON_GEAR SSH Key: $GITEA_SSH_KEY"
    echo "$ICON_GEAR SSH Port: $SSH_PORT"
    echo "$ICON_NOTIFY Notifications: unRAID=${NOTIFY_UNRAID:-false} Discord=$([[ -n "${DISCORD_WEBHOOK:-}" ]] && echo enabled || echo disabled)"
    echo "$ICON_GEAR Dry Run: $DRY_RUN"
    echo "━━━━━━━━━━━━━━━━━━━━━━━"
    exit 0
fi

[[ "$DRY_RUN" == true ]] && warn "DRY RUN — no changes will be made"

# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_SYNC Git Sync ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━ $ICON_SYNC Git Sync ━━━"
echo "$ICON_NET  Repo:    $REPO_SSH"
echo "$ICON_GEAR Target:  $TARGET_DIR"
echo ""

START=$(date +%s)
SYNC_SUCCESS=false

if [[ "$DRY_RUN" == true ]]; then
    warn "DRY RUN — would sync $REPO_SSH → $TARGET_DIR"
    SYNC_SUCCESS=true
else
    mkdir -p "$TARGET_DIR"
    cd "$TARGET_DIR" || { error "Cannot cd into $TARGET_DIR"; exit 1; }

    if [[ -d ".git" ]]; then
        info "$ICON_SYNC Existing repository detected — updating"
        log "git reset --hard"
        git reset --hard

        log "git clean -fd"
        git clean -fd

        info "Pulling latest changes..."
        if GIT_SSH_COMMAND="ssh -i $GITEA_SSH_KEY -p $SSH_PORT" git pull; then
            success "Git pull successful"
            SYNC_SUCCESS=true
        else
            error "Git pull failed"
            notify "Git pull failed on $(hostname) — check Gitea connectivity" "Git Sync" "alert"
            exit 1
        fi

    else
        info "$ICON_SYNC No repository found — cloning"
        if GIT_SSH_COMMAND="ssh -i $GITEA_SSH_KEY -p $SSH_PORT" git clone "$REPO_SSH" .; then
            success "Clone successful"
            SYNC_SUCCESS=true
        else
            error "Clone failed"
            notify "Git clone failed on $(hostname) — check Gitea connectivity" "Git Sync" "alert"
            exit 1
        fi
    fi

    # -----------------------------------------------------------------------------------------------
    # ━━━ $ICON_GEAR Permissions ━━━
    # -----------------------------------------------------------------------------------------------
    echo ""
    echo "━━━ $ICON_GEAR Permissions ━━━"
    info "Setting executable permissions on all .sh files..."
    find "$TARGET_DIR" -type f -name "*.sh" -exec chmod +x {} \;
    success "Permissions applied"
fi

END=$(date +%s)

# -----------------------------------------------------------------------------------------------
# ━━━ $ICON_SUMMARY Summary ━━━
# -----------------------------------------------------------------------------------------------
echo ""
echo "━━━━━ $ICON_SUMMARY GIT SYNC SUMMARY ━━━━━"
echo "$ICON_NET  Repo:     $REPO_SSH"
echo "$ICON_GEAR Target:   $TARGET_DIR"
echo "$ICON_TIME Duration: $(format_duration $((END - START)))"
if [[ "$DRY_RUN" == true ]]; then
    echo "$ICON_WARN Status:   DRY RUN — no changes made"
elif [[ "$SYNC_SUCCESS" == true ]]; then
    echo "$ICON_DONE Status:   $ICON_SUCCESS DONE"
    notify "Repository synced successfully on $(hostname)" "Git Sync" "normal"
else
    echo "$ICON_ERROR Status:  $ICON_ERROR FAILED"
fi
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"