#!/bin/bash

###
# Parses arguments and commands from shell
###

GIT_DIR="./"

#Recursive argument parser
while true; do
	case ${1} in
		--help)
            shift
            HELP="${1}"
            [[ -z "${HELP}" ]] && HELP=general
            eval help_${HELP}
            exit
        ;;

        --info)
            help_info
            exit
        ;;

        --git-dir)    
            shift
            GIT_DIR="${1}"
        ;;

        *)
            break
        ;;

    esac
    shift
done



case "${1}" in
    init)
        shift
        cmd_init "${GIT_DIR}" ${@}
        EXIT=$?
        [[ ${EXIT} -eq 1 ]] && echo "Database file already present"
        [[ ${EXIT} -eq 2 ]] && echo "Init had errors"
    ;;

    import)
        shift
        case "${1}" in
            tracks)
                shift
                cmd_import_tracks "${GIT_DIR}" ${@}
            ;;
        
            images)
                shift
                cmd_import_images "${GIT_DIR}" ${@}
            ;;

            *)
                echo "${1} not a valid command"
            ;;  
        esac
    ;;

    exclude)
        shift
        cmd_exclude "${GIT_DIR}" ${@}
        EXIT=$?
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
    ;;

    include)
        shift
        cmd_include "${GIT_DIR}" ${@}
        EXIT=$?
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
   ;;

    export)
        shift
        while [[ -n "${1}" ]]; do
            case ${1} in
                --from)
                    shift
                    OLD_COMMIT=${1}
                    shift    
                ;;
                
                *)
                    TARGET="${1}"
                    shift
                ;;
            esac
        done
        cmd_export "${GIT_DIR}" "${TARGET}" "${OLD_COMMIT}"
        EXIT=$?
        [[ ${EXIT} -eq 0 ]] && echo "Deployment completed successfully"
        [[ ${EXIT} -eq 1 ]] && echo "Deployment completed with errors"
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
   ;;

    update)
        shift
        while [[ -n "${1}" ]]; do
            case ${1} in
                --from)
                    shift
                    OLD_COMMIT=${1}
                    shift
                ;;

                *)
                    TARGET="${1}"
                    shift
                ;;
            esac
        done

        cmd_update "${GIT_DIR}" "${TARGET}" "${OLD_COMMIT}"
        EXIT=$?
        [[ ${EXIT} -eq 0 ]] && echo "Update completed successfully"
        [[ ${EXIT} -eq 1 ]] && echo "Update completed with errors"
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
  ;;

    du)
        shift
        cmd_du "${GIT_DIR}" "${@}"
        EXIT=$?
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
   ;;
   
    fsck)
        shift
        while [[ -n "${1}" ]]; do
            case ${1} in
                --nonexistent-ids)
                    cmdList=(${cmdList[@]} nonexistent-ids)
                    shift
                ;;

                --deployed-ids)
                    cmdList=(${cmdList[@]} deployed-ids)
                    shift
                ;;

                --metadata)
                    cmdList=(${cmdList[@]} metadata)
                    shift
                ;;

                *)
                    TARGET="${1}"
                    shift
                ;;
            
            esac
        done
        
        [[ -z ${cmdList[@]} ]] && cmdList=(deployed-ids nonexistent-ids metadata)

        cmd_fsck "${GIT_DIR}" "${TARGET}" ${cmdList[@]}
        EXIT=$?
        [[ ${EXIT} -eq 3 ]] && echo "Database file non-existent"
        [[ ${EXIT} -eq 2 ]] && echo "Git directory not a valid git repository"
    ;;

    *)
        help_general
    ;;
esac