#!/bin/bash
# -*- coding: utf-8 mode: sh -*- vim:sw=4:sts=4:et:ai:si:sta:fenc=utf-8

function display_help() {
    uecho "$scriptname: générer un fichier $NAME

USAGE
    $scriptname [options] <file>

OPTIONS
    -t TEMPLATE
        Indiquer le modèle de fichier à utiliser pour la génération. Les valeurs
        valides sont:
            ${TEMPLATES[*]}
    -e, --edit
    -g, --no-edit
        Editer (resp. ne pas éditer) le fichier après l'avoir généré.
        Par défaut, l'éditeur est lancé après la génération.
    -f, --overwrite
        Ecraser le fichier s'il existe déjà
    -E, --encoding ENCODING
        Spécifier l'encoding à utiliser pour la génération du fichier"
}

NAME=www
TEMPLATES=(html javadoc-package javadoc-overview php cakephp-ctp css javascript)
NAMES=(package.html overview.html)
EXTS=(html htm php phps ctp css js)

if [ $# -eq 2 ]; then
    if [ "$1" == "--matches-template" ]; then
        for template in "${TEMPLATES[@]}"; do
            [ "$template" == "$2" ] && exit 0
        done
        exit 1
    elif [ "$1" == "--matches-name" ]; then
        for name in "${NAMES[@]}"; do
            [ "$name" == "$2" ] && exit 0
        done
        exit 1
    elif [ "$1" == "--matches-ext" ]; then
        for ext in "${EXTS[@]}"; do
            [ "$ext" == "$2" ] && exit 0
        done
        exit 1
    fi
fi

#source /etc/ulib || exit 1
source "$(dirname "$0")/../ulib/ulib" || exit 1
urequire DEFAULTS

function check_overwrite() {
    if [ -e "$1" -a -z "$overwrite" ]; then
        eerror "$1: refus d'écraser un fichier déjà existant (utiliser -f)"
        return 1
    fi
    return 0
}

function __update_title() {
    titlehl="$(strlower "$titlehl")"
    [ -n "$titlehl" ] || titlehl=h1
    [ "${titlehl:0:1}" == "h" ] || titlehl="h$titlehl"

    [ -n "$title" ] || {
        title="$(basename "$file")"
        title="${title%.*}"
    }
    [ -n "$head_title" ] || head_title="$title"
}
function __generate_html() {
    # $file et $mode doivent être initialisés

    local dir="$(dirname "$file")"
    local nobpsuppl nobplocal nobpmobile
    if [ "$blueprint" == auto ]; then
        if [ -d "$dir/blueprint" ]; then
            blueprint=1
            [ -f "$dir/bpsuppl.css" ] || nobpsuppl=1
            [ -f "$dir/bplocal.css" ] || nobplocal=1
            [ -f "$dir/bpmobile.css" ] || nobpmobile=1
        else
            blueprint=
        fi
    fi
    local jquerymin
    if [ "$jquery" == auto ]; then
        if [ -f "$dir/jquery.min.js" ]; then
            jquery=1
            jquerymin=1
        elif [ -d "$dir/jquery.js" ]; then
            jquery=1
        else
            jquery=
        fi
    fi

    case "$doctype" in
    html4)
        doctype='<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">'
        html='<html lang="fr" xmlns="http://www.w3.org/TR/REC-html40">'
        ;;
    html5)
        doctype='<!DOCTYPE html>'
        html='<html lang="fr">'
        ;;
    *)
        doctype=
        html='<html>'
        ;;
    esac
    head='<head>
<meta http-equiv="Content-Type" content="text/html; charset='"$encoding"'" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="shortcut" href="'"$baseurl"'favicon.ico" />
<link rel="icon apple-touch-icon" href="'"$baseurl"'icon.png" />'
    [ -n "$blueprint" ] && blueprint='<link rel="stylesheet" href="'"$bpurl"'screen.css" type="text/css" media="screen, projection" />
<link rel="stylesheet" href="'"$bpurl"'print.css" type="text/css" media="print" />
<!--[if lt IE 8]>
<link rel="stylesheet" href="'"$bpurl"'ie.css" type="text/css" media="screen, projection" />
<![endif]-->
<'"${nobpsuppl:+!--}"'link rel="stylesheet" href="bpsuppl.css" type="text/css" media="screen, projection" /'"${nobpsuppl:+--}"'>
<'"${nobplocal:+!--}"'link rel="stylesheet" href="bplocal.css" type="text/css" media="screen, projection" /'"${nobplocal:+--}"'>
<'"${nobpmobile:+!--}"'link rel="stylesheet" href="bpmobile.css" type="text/css" media="handheld, only screen and (max-device-width: 480px)" /'"${nobpmobile:+--}"'>'
    [ -n "$jquery" ] && jquery='<script src="'"${baseurl}jquery${jquerymin:+.min}.js"'"></script>'
    start='<title>'"$head_title"'</title>
</head>
<body>'
    startbp='<div class="container">'
    endbp='</div>'
    end='</body>
</html>'
}
function __before_write_html() {
    doctype="$doctype<!-- -*- coding: $encoding ${mode:+mode: $mode }-*- vim:sw=4:sts=4:et:ai:si:sta:fenc=$encoding
-->"
}
function __write_html() {
    # $file et $mode doivent être initialisés
    check_overwrite "$1" || return
    estep "$(ppath "$file")"
    echo >"$file" "$doctype$html
$head
${blueprint:+$blueprint
}${jquery:+$jquery
}$start
${blueprint:+$startbp
}${title:+<$titlehl>$title</$titlehl>
}${blueprint:+$endbp
}$end"
}

function generate_html() {
    local file="$1"
    local mode=html

    local titlehl="${titlehl:-h1}"
    local title="$title"
    __update_title

    local doctype="$doctype"
    local blueprint="$blueprint"
    local jquery="$jquery"
    local html head start startbp endbp end
    __generate_html
    __before_write_html
    __write_html

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_javadoc_package() {
    local file="$1"
    local mode=html

    local titlehl="${titlehl:-h2}"
    local title="$title"
    __update_title
    # title doit se terminer par un point
    [ "${title:$((-1)):1}" == / ] || title="$title."
    # Mettre un préfixe au titre
    title="Package: $title"

    local doctype="$doctype"
    local blueprint=
    local jquery=
    local html head start startbp endbp end
    __generate_html
    __before_write_html
    __write_html

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_javadoc_overview() {
    local file="$1"
    local mode=html

    local titlehl="${titlehl:-h2}"
    local title="$title"
    __update_title
    # title doit se terminer par un point
    [ "${title:$((-1)):1}" == / ] || title="$title."
    # Mettre un préfixe au titre
    title="Projet: $title"

    local doctype="$doctype"
    local blueprint=
    local jquery=
    local html head start startbp endbp end
    __generate_html
    __before_write_html
    __write_html

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_php() {
    local file="$1"
    local mode=php

    local titlehl="${titlehl:-h1}"
    local title="$title"
    __update_title

    local doctype="$doctype"
    local blueprint="$blueprint"
    local jquery="$jquery"
    local html head start startbp endbp end
    __generate_html
    doctype="<?php # -*- coding: $encoding ${mode:+mode: $mode }-*- vim:sw=2:sts=2:et:ai:si:sta:fenc=$encoding
?>${doctype:+$doctype
}"
    __write_html

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_cakephp_ctp() {
    local file="$1"
    local mode=php

    check_overwrite "$1" || return
    estep "$(ppath "$file")"
    echo >"$file" "<?php # -*- coding: $encoding ${mode:+mode: $mode }-*- vim:sw=2:sts=2:et:ai:si:sta:fenc=$encoding"

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_css() {
    local file="$1"
    local mode=css

    check_overwrite "$1" || return
    estep "$(ppath "$file")"
    echo >"$file" "/* -*- coding: $encoding ${mode:+mode: $mode }-*- vim:sw=4:sts=4:et:ai:si:sta:fenc=$encoding
*/@CHARSET \"$encoding\";"

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

function generate_javascript() {
    local file="$1"
    local mode=javascript

    check_overwrite "$1" || return
    estep "$(ppath "$file")"
    echo >"$file" "/* -*- coding: $encoding ${mode:+mode: $mode }-*- vim:sw=4:sts=4:et:ai:si:sta:fenc=$encoding
*/"

    [ -n "$2" ] && array_add "$2" "$file"
    return 0
}

template=
edit=1
overwrite=
encoding=
#executable=
baseurl=/
doctype=html4
blueprint=auto
jquery=auto
bpurl=
titlehl=
title=
head_title=
parse_opts "${PRETTYOPTS[@]}" \
    --help '$exit_with display_help' \
    -t:,--template: template= \
    -e,--edit edit=1 \
    -g,--no-edit edit= \
    -f,--overwrite overwrite=1 \
    -E:,--encoding: encoding= \
    --doctype: doctype= \
    -4,--html4 doctype=html4 \
    -5,--html5 doctype=html5 \
    -U:,--baseurl: baseurl= \
    -b,--blueprint,--bp blueprint=1 \
    -n,--no-blueprint,--noblueprint,--nobp blueprint= \
    -j,--jquery jquery=1 \
    -k,--no-jquery,--nojquery jquery= \
    -B:,--bpurl: bpurl= \
    --titlehl:,--hl: titlehl= \
    -T:,--title: title= \
    --head-title: head_title= \
    @ args -- "$@" && set -- "${args[@]}" || die "$args"
    # à rajouter ci-dessus si les fichiers peuvent être exécutables:
    #-x,--executable executable=1 \
    #-n,--no-executable executable= \

[ -n "$encoding" ] || encoding=utf-8
[ -z "$baseurl" -o "${baseurl:$((-1)):1}" == / ] || baseurl="$baseurl/"
[ -n "$bpurl" ] || bpurl="${baseurl}blueprint/"
[ "${bpurl:$((-1)):1}" == / ] || bpurl="$bpurl/"

files2edit=()
r=0
for file in "$@"; do
    t="$template"
    if [ -z "$t" ]; then
        dir="$(dirname "$file")"
        name="$(basename "$file")"
        # Si template n'est pas spécifié, le déterminer le cas échéant à partir
        # du nom de fichier. Rajouter ici le code approprié
        case "$name" in
        overview.html) t=javadoc-overview;;
        package.html) t=javadoc-package;;
        esac
    fi

    case "$t" in
    html|htm) generate_html "$file" files2edit || r=$?;;
    javadoc-package|jdp) generate_javadoc_package "$file" files2edit || r=$?;;
    jadadoc-overview|jdo) generate_javadoc_overview "$file" files2edit || r=$?;;
    php|phps) generate_php "$file" files2edit || r=$?;;
    cakephp-ctp|ctp) generate_cakephp_ctp "$file" files2edit || r=$?;;
    css) generate_css "$file" files2edit || r=$?;;
    javascript|js) generate_javascript "$file" files2edit || r=$?;;
    *) die "$NAME: template invalide: $t";;
    esac
done

if [ -n "$edit" -a "${#files2edit[*]}" -gt 0 ]; then
    "${EDITOR:-vi}" "${files2edit[@]}"
fi

exit $r
