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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "$SCRIPT_DIR/../lib/common.sh"

# Configuration
GIT_HOST="git.sdf.org"
GIT_USER="jchenry"
GIT_SSH_PORT="2222"
WORKSPACE_DIR="$HOME/.workspace/src/$GIT_HOST/$GIT_USER"
EXCLUDE_REPOS=("provision")

# Ensure workspace directory exists
ensure_dir "$WORKSPACE_DIR"

log_info "Fetching repository list from $GIT_HOST/$GIT_USER"

# Method 1: Try SSH first (works if SSH keys are set up)
# This gets all repos (public + private) without needing a token
log_info "Attempting to list repositories via SSH..."
REPO_NAMES=$(ssh -p $GIT_SSH_PORT git@$GIT_HOST ls-repos $GIT_USER 2>/dev/null | grep "^$GIT_USER/" | sed "s|^$GIT_USER/||" | sed 's/\.git$//' | sort -u || true)

# Method 2: Fall back to API if SSH didn't work
if [ -z "$REPO_NAMES" ]; then
    log_warn "SSH listing failed, using API method"

    # Try with authentication token if available
    if [ -n "${GITEA_TOKEN:-}" ]; then
        log_info "Using GITEA_TOKEN for authentication (includes private repos)"
        REPOS_JSON=$(curl -fsSL -H "Authorization: token $GITEA_TOKEN" "https://$GIT_HOST/api/v1/user/repos?limit=100")
    else
        log_warn "GITEA_TOKEN not set - fetching public repositories only"
        log_info "To include private repos, either:"
        log_info "  1. Set up SSH keys for git@$GIT_HOST:$GIT_SSH_PORT, or"
        log_info "  2. Set GITEA_TOKEN environment variable"
        log_info "     Get a token at: https://$GIT_HOST/user/settings/applications"
        REPOS_JSON=$(curl -fsSL "https://$GIT_HOST/api/v1/users/$GIT_USER/repos?limit=100")
    fi

    if [ -z "$REPOS_JSON" ] || [ "$REPOS_JSON" = "null" ]; then
        log_error "Failed to fetch repository list"
        exit 1
    fi

    # Parse repository names from JSON
    REPO_NAMES=$(echo "$REPOS_JSON" | jq -r '.[].name' | sort -u)
fi

if [ -z "$REPO_NAMES" ]; then
    log_warn "No repositories found for user $GIT_USER"
    exit 0
fi

log_info "Found repositories:"
echo "$REPO_NAMES" | sed 's/^/  - /'
echo ""

# Clone each repository
for repo in $REPO_NAMES; do
    # Skip excluded repos
    if [[ " ${EXCLUDE_REPOS[@]} " =~ " ${repo} " ]]; then
        log_info "Skipping excluded repository: $repo"
        continue
    fi

    REPO_DIR="$WORKSPACE_DIR/$repo"

    if [ -d "$REPO_DIR" ]; then
        log_info "Repository $repo already exists, updating..."
        cd "$REPO_DIR"
        git pull
        log_success "Updated $repo"
    else
        log_info "Cloning $repo..."
        # Clone using HTTPS first (works without SSH keys)
        HTTPS_URL="https://$GIT_HOST/$GIT_USER/$repo.git"

        # If we have a token, use it for cloning private repos
        if [ -n "${GITEA_TOKEN:-}" ]; then
            CLONE_URL="https://$GITEA_TOKEN@$GIT_HOST/$GIT_USER/$repo.git"
        else
            CLONE_URL="$HTTPS_URL"
        fi

        if git clone "$CLONE_URL" "$REPO_DIR" 2>/dev/null; then
            # Convert to SSH for future operations (if SSH is configured)
            cd "$REPO_DIR"
            SSH_URL="ssh://git@$GIT_HOST:$GIT_SSH_PORT/$GIT_USER/$repo.git"
            git remote set-url origin "$SSH_URL"
            log_success "Cloned $repo (remote set to SSH)"
        else
            log_error "Failed to clone $repo"
        fi
    fi
    echo ""
done

log_success "Repository cloning complete!"
log_info "All repositories are in: $WORKSPACE_DIR"
echo ""
log_info "Repository list:"
ls -1 "$WORKSPACE_DIR" | sed 's/^/  - /'