#!/usr/bin/env bash
set -e

# Omni/Agent/harvest-tasks.sh
# Imports task updates from all worker branches into the current branch (usually live).

REPO_ROOT="$(git rev-parse --show-toplevel)"
cd "$REPO_ROOT"

echo "Harvesting task updates from workers..."

# Find all worker branches (assuming naming convention omni-worker-*)
# We filter for local branches
WORKER_BRANCHES=$(git branch --list "omni-worker-*" --format="%(refname:short)")

if [ -z "$WORKER_BRANCHES" ]; then
    echo "No worker branches found."
    exit 0
fi

UPDATED=0

for branch in $WORKER_BRANCHES; do
    echo "Checking $branch..."
    
    # Extract tasks.jsonl from the worker branch
    if git show "$branch:.tasks/tasks.jsonl" > .tasks/worker-tasks.jsonl 2>/dev/null; then
        # Import into current DB
        # The import command handles deduplication and timestamp conflict resolution
        if "$REPO_ROOT/_/bin/task" import -i .tasks/worker-tasks.jsonl >/dev/null; then
            echo "  Imported tasks from $branch"
            UPDATED=1
        fi
    else
        echo "  Warning: Could not read .tasks/tasks.jsonl from $branch"
    fi
done

rm -f .tasks/worker-tasks.jsonl

if [ "$UPDATED" -eq 1 ]; then
    # Consolidate
    "$REPO_ROOT/_/bin/task" export --flush
    
    # Commit if there are changes
    if [[ -n $(git status --porcelain .tasks/tasks.jsonl) ]]; then
        git add .tasks/tasks.jsonl
        git commit -m "task: harvest updates from workers"
        echo "Success: Task database updated and committed."
    else
        echo "No effective changes found."
    fi
else
    echo "No updates found."
fi