#!/bin/bash
# Mission Control CLI - Main Entry Point
# Usage: ./mc.sh <command> [args]
# 
# Commands:
#   auth        Authentication (login, logout, session)
#   task        Task operations (delegates to gantt-board)
#   project     Project operations (delegates to gantt-board)
#   sprint      Sprint operations (delegates to gantt-board)
#   search      Search across tasks, projects, documents
#   document    Document management
#   due-dates   Tasks with due dates
#   dashboard   Dashboard data
#
# Environment:
#   MC_API_URL          Mission Control API URL (default: http://localhost:3001/api)
#   GANTT_BOARD_DIR     Path to gantt-board directory (auto-detected)
#   MC_COOKIE_FILE      Path to cookie file (default: ~/.config/mission-control/cookies.txt)

set -euo pipefail

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

# Source API client library
source "$SCRIPT_DIR/lib/api_client.sh"

# Auto-detect gantt-board directory
if [[ -z "${GANTT_BOARD_DIR:-}" ]]; then
  # Try common locations
  if [[ -d "$SCRIPT_DIR/../../../gantt-board" ]]; then
    GANTT_BOARD_DIR="$SCRIPT_DIR/../../../gantt-board"
  elif [[ -d "$HOME/Documents/Projects/OpenClaw/Web/gantt-board" ]]; then
    GANTT_BOARD_DIR="$HOME/Documents/Projects/OpenClaw/Web/gantt-board"
  elif [[ -d "/Users/mattbruce/Documents/Projects/OpenClaw/Web/gantt-board" ]]; then
    GANTT_BOARD_DIR="/Users/mattbruce/Documents/Projects/OpenClaw/Web/gantt-board"
  fi
fi

# Show usage
usage() {
  cat << 'EOF'
Mission Control CLI

Usage: ./mc.sh <command> [args]

Commands:
  auth <subcommand>     Authentication operations
    login <email> <password>   Login to Mission Control
    logout                     Logout
    session                    Show current session
    
  task <args>           Task operations (delegates to gantt-board)
    See: ./task.sh --help
    
  project <args>        Project operations (delegates to gantt-board)
    See: ./project.sh --help
    
  sprint <args>         Sprint operations (delegates to gantt-board)
    See: ./sprint.sh --help
    
  search <query>        Search across tasks, projects, documents
  
  due-dates             List tasks with due dates
  
  documents             Document management
    list                       List all documents
    get <id>                   Get document by ID
    
  dashboard             Get dashboard data

Examples:
  ./mc.sh auth login user@example.com password
  ./mc.sh search "api design"
  ./mc.sh due-dates
  ./mc.sh task list --status open
  ./mc.sh project list

Environment Variables:
  MC_API_URL            Mission Control API URL (default: http://localhost:3001/api)
  GANTT_BOARD_DIR       Path to gantt-board directory
  MC_COOKIE_FILE        Path to cookie file

EOF
}

# Auth commands
handle_auth() {
  local subcmd="${1:-}"
  
  case "$subcmd" in
    login)
      local email="${2:-}"
      local password="${3:-}"
      if [[ -z "$email" || -z "$password" ]]; then
        echo "Usage: ./mc.sh auth login <email> <password>" >&2
        exit 1
      fi
      mc_login "$email" "$password"
      ;;
    logout)
      mc_logout
      ;;
    session)
      mc_get "/auth/session" | jq .
      ;;
    *)
      echo "Unknown auth subcommand: $subcmd" >&2
      echo "Usage: ./mc.sh auth {login|logout|session}" >&2
      exit 1
      ;;
  esac
}

# Search command
handle_search() {
  local query="${1:-}"
  
  if [[ -z "$query" ]]; then
    echo "Usage: ./mc.sh search <query>" >&2
    exit 1
  fi
  
  local encoded_query
  encoded_query=$(url_encode "$query")
  mc_get "/search?q=$encoded_query" | jq .
}

# Due dates command
handle_due_dates() {
  mc_get "/tasks/with-due-dates" | jq .
}

# Documents command
handle_documents() {
  local subcmd="${1:-list}"
  
  case "$subcmd" in
    list)
      mc_get "/documents" | jq .
      ;;
    get)
      local id="${2:-}"
      if [[ -z "$id" ]]; then
        echo "Usage: ./mc.sh documents get <id>" >&2
        exit 1
      fi
      mc_get "/documents?id=$id" | jq .
      ;;
    *)
      echo "Unknown documents subcommand: $subcmd" >&2
      echo "Usage: ./mc.sh documents {list|get <id>}" >&2
      exit 1
      ;;
  esac
}

# Task command - delegate to gantt-board
handle_task() {
  if [[ -z "${GANTT_BOARD_DIR:-}" ]]; then
    echo "Error: GANTT_BOARD_DIR not set and gantt-board not found" >&2
    echo "Please set GANTT_BOARD_DIR to the path of your gantt-board installation" >&2
    exit 1
  fi
  
  if [[ ! -f "$GANTT_BOARD_DIR/scripts/task.sh" ]]; then
    echo "Error: gantt-board task.sh not found at $GANTT_BOARD_DIR/scripts/task.sh" >&2
    exit 1
  fi
  
  # Delegate to gantt-board task.sh
  exec "$GANTT_BOARD_DIR/scripts/task.sh" "$@"
}

# Project command - delegate to gantt-board
handle_project() {
  if [[ -z "${GANTT_BOARD_DIR:-}" ]]; then
    echo "Error: GANTT_BOARD_DIR not set and gantt-board not found" >&2
    exit 1
  fi
  
  if [[ ! -f "$GANTT_BOARD_DIR/scripts/project.sh" ]]; then
    echo "Error: gantt-board project.sh not found at $GANTT_BOARD_DIR/scripts/project.sh" >&2
    exit 1
  fi
  
  exec "$GANTT_BOARD_DIR/scripts/project.sh" "$@"
}

# Sprint command - delegate to gantt-board
handle_sprint() {
  if [[ -z "${GANTT_BOARD_DIR:-}" ]]; then
    echo "Error: GANTT_BOARD_DIR not set and gantt-board not found" >&2
    exit 1
  fi
  
  if [[ ! -f "$GANTT_BOARD_DIR/scripts/sprint.sh" ]]; then
    echo "Error: gantt-board sprint.sh not found at $GANTT_BOARD_DIR/scripts/sprint.sh" >&2
    exit 1
  fi
  
  exec "$GANTT_BOARD_DIR/scripts/sprint.sh" "$@"
}

# Dashboard command
handle_dashboard() {
  # For now, combine multiple API calls to build dashboard view
  echo "Fetching dashboard data..."
  echo ""
  
  echo "=== Tasks with Due Dates ==="
  handle_due_dates | jq -r '.[] | "\(.due_date) | \(.priority) | \(.title)"' 2>/dev/null || echo "No tasks with due dates"
  
  echo ""
  echo "=== Recent Activity ==="
  # This would need a dedicated API endpoint
  echo "(Recent activity endpoint not yet implemented)"
}

# Main command dispatcher
main() {
  local cmd="${1:-}"
  shift || true
  
  case "$cmd" in
    auth)
      handle_auth "$@"
      ;;
    search)
      handle_search "$@"
      ;;
    due-dates)
      handle_due_dates
      ;;
    documents|document)
      handle_documents "$@"
      ;;
    task)
      handle_task "$@"
      ;;
    project)
      handle_project "$@"
      ;;
    sprint)
      handle_sprint "$@"
      ;;
    dashboard)
      handle_dashboard
      ;;
    help|--help|-h)
      usage
      ;;
    *)
      if [[ -z "$cmd" ]]; then
        usage
        exit 1
      fi
      echo "Unknown command: $cmd" >&2
      usage
      exit 1
      ;;
  esac
}

main "$@"