if {![exists -proc class]} { package require oo }
if {![exists -proc sqlite3.open]} { package require sqlite3 }

if {![file exists /mod/etc/webif.db]} {
	set ::settingsdb [sqlite3.open /mod/etc/webif.db]
	catch {
		$::settingsdb query {
			CREATE TABLE settings(name text, nval int, tval text);
		}
		$::settingsdb query {
			CREATE UNIQUE INDEX key on settings(name);
		}
	}
} else {
	set ::settingsdb [sqlite3.open /mod/etc/webif.db]
}

class settings {
	hostname	""
	channel_group	0
	epg_style	"standard"
	service_style	"grid"
	smtp_server	""
	pkgdev		0
	notoolbar	0
	noautorec	0
	tvdb		0
	tvdb_debug	0
	nomobile	0
	nohelplinks	0
	notwitfeed	0
	nounwatchedcount	0
	hidevisualota	0
	xepghours	4
	epgscroll	0
	genrededup	0
	autolog		0
	noautorec	0
	noautorecimm	0
	autorecperiod	10
	autokeep	7
	noautohours	""
	autofreq	20
	autolast	0
	toolbarqueue	0
	changechangenc	0
	audiomp3	0
	logsize		1048576
	logkeep		2
	rtschedule	0
}

settings method hostname {{name ""}} {
	if {$name == ""} {
		# Get
		if {[catch {set fd [open "/var/lib/humaxtv/mod/hostname" r]}]} {
			set name "humax"
		} else {
			set name [string trim [read $fd]]
			close $fd
		}
		return $name
	} else {
		# Set
		if [string is alnum -strict $name] {
			set fd [open "/var/lib/humaxtv/mod/hostname" w]
			puts $fd $name
			close $fd
			exec hostname -F /var/lib/humaxtv/mod/hostname
		}
	}
}

settings method smtp_server {{server ""}} {
	if {$server == ""} {
		# Get
		if {[catch {set fd [open "/mod/etc/ssmtp/ssmtp.conf" r]}]} {
			set server "mail"
		} else {
			foreach line [split [read $fd] "\n"] {
				set a [string first "mailhub=" $line]
				if {$a == 0} {
					set server [string range $line 8 end]
					set server [string trim $server]
				}
			}
			close $fd
		}
		return $server
	} else {
		# Set
		if {[string is ascii -strict $server]} {
			set fd [open "/mod/etc/ssmtp/ssmtp.conf" w]
			puts $fd "mailhub=$server"
			puts $fd "rewriteDomain=hummypkg.org.uk"
			puts $fd "hostname=[$self hostname].hummypkg.org.uk"
			close $fd
		}
	}
}

settings method _nval_setting {name {val -1}} {
	global settingsdb

	if {$val == -1} {
		# Get
		set res [$settingsdb query "
			select nval from settings
			where name = '$name'
		"]
		if {$res ne ""} {
			return [lindex [lindex $res end] end]
		}
		return 0
	} else {
		# Set
		$settingsdb query "
			replace into settings(name,nval)
			values('$name', $val)
		"
		return 0
	}
}

settings method _tval_setting {name {val -1} {def 0}} {
	global settingsdb

	if {$val eq "-1"} {
		# Get
		set res [$settingsdb query "
			select tval from settings
			where name = '$name'
		"]
		if {$res ne ""} {
			return [lindex [lindex $res end] end]
		}
		return $def
	} else {
		# Set
		$settingsdb query "
			replace into settings(name,tval)
			values('$name', '%s')
		" $val
		return 0
	}
}

settings method channel_group {{group -1}} {
	return [$self _nval_setting channel_group $group]
}

settings method xepghours {{hours -1}} {
	return [$self _nval_setting xepghours $hours]
}

settings method epgscroll {{val -1}} {
	return [$self _nval_setting epgscroll $val]
}

settings method epg_style {{style -1}} {
	if {$style != -1} {
		if {$style eq "grid"} { set style 1 } else { set style 0 }
		return [$self _nval_setting epg_style $style]
	}
	set val [$self _nval_setting epg_style]
	if {$val == 1} { return "grid" }
	return "standard"
}

settings method service_style {{style -1}} {
	if {$style != -1} {
		if {$style eq "grid"} { set style 0 } else { set style 1 }
		return [$self _nval_setting service_style $style]
	}
	set val [$self _nval_setting service_style]
	if {$val == 1} { return "standard" }
	return "grid"
}

settings method pkgdev {{val -1}} {
	return [$self _nval_setting pkgdev $val]
}

settings method notoolbar {{val -1}} {
	return [$self _nval_setting notoolbar $val]
}

settings method toolbarqueue {{val -1}} {
	return [$self _nval_setting toolbarqueue $val]
}

settings method tvdb {{val -1}} {
	return [$self _nval_setting tvdb $val]
}

settings method tvdb_debug {{val -1}} {
	return [$self _nval_setting tvdb_debug $val]
}

settings method genrededup {{val -1}} {
	return [$self _nval_setting genrededup $val]
}

settings method nomobile {{val -1}} {
	return [$self _nval_setting nomobile $val]
}

settings method nohelplinks {{val -1}} {
	return [$self _nval_setting nohelplinks $val]
}

settings method notwitfeed {{val -1}} {
	return [$self _nval_setting notwitfeed $val]
}

settings method nounwatchedcount {{val -1}} {
	return [$self _nval_setting nounwatchedcount $val]
}

settings method hidevisualota {{val -1}} {
	return [$self _nval_setting hidevisualota $val]
}

settings method chanchangenc {{val -1}} {
	return [$self _nval_setting chanchangenc $val]
}

settings method rtschedule {{val -1}} {
	return [$self _nval_setting rtschedule $val]
}

settings method sortorder {{val -1}} {
	return [$self _nval_setting sortorder $val]
}

settings method autolog {{level -1}} {
	return [$self _nval_setting autolog $level]
}

settings method noautorec {{val -1}} {
	return [$self _nval_setting noautorec $val]
}

settings method noautorecimm {{val -1}} {
	return [$self _nval_setting noautorecimm $val]
}

settings method autorecperiod {{val -1}} {
	return [$self _nval_setting autorecperiod $val]
}

settings method autokeep {{val -1}} {
	return [$self _nval_setting autokeep $val]
}

settings method autofreq {{val -1}} {
	return [$self _nval_setting autofreq $val]
}

settings method autolast {{val -1}} {
	return [$self _nval_setting autolast $val]
}

settings method noautohours {{val -1}} {
	set val [$self _tval_setting noautohours $val ""]
	return $val
}

settings method audiomp3 {{val -1}} {
	return [$self _nval_setting audiomp3 $val]
}

settings method audiomp3descr {val} {
	switch $val {
		1 { return "MPEG-1 Audio Layer III (MP3)" }
		default { return "MPEG-1 Audio Layer II (MP2)" }
	}
}

settings method channel_groups {} {
	set ret ""
	set db [sqlite3.open /var/lib/humaxtv/setup.db]
	set res [$db query {
		select itemText from TBL_MENUCONFIG
		where itemName like 'FAV\_CUSTOM\_STR%%' ESCAPE '\'
	}]
	$db close
	foreach g $res {
		set g $g(itemText)
		if {[string index $g 0] == "\025"} {
			lappend ret [string range $g 1 end]
		} else {
			lappend ret $g
		}
	}
	return $ret
}

settings method aclusers {} {
	if {![file exists "/mod/etc/htpasswd"]} { return {} }
	set fd [open "/mod/etc/htpasswd" r]
	set users {}
	foreach line [string trim [split [read $fd] "\n"]] {
		set info [split $line ":"]
		if {[llength $info] != 3} { continue }
		lappend users $info
	}
	$fd close
	return $users
}

# Legacy function for Mongoose.

settings method mongooseauth {{mode 1}} {
	if {![file exists /mod/etc/mongoose.conf]} return
	set fd [open "/mod/etc/mongoose.conf" r]
	set fdnew [open "/mod/etc/mongoose.conf.new" w]
	foreach line [string trim [split [read $fd] "\n"]] {
		if {[string match -nocase {authentication_domain*} $line]} {
			continue
		}
		if {[string match -nocase {global_passwords_file*} $line]} {
			continue
		}
		if {$line ne ""} { puts $fdnew $line }
	}
	$fd close
	if {$mode} {
		puts $fdnew "authentication_domain webif"
		puts $fdnew "global_passwords_file /mod/etc/htpasswd"
	}
	$fdnew close
	file delete "/mod/etc/mongoose.conf"
	file rename "/mod/etc/mongoose.conf.new" "/mod/etc/mongoose.conf"
}

settings method htdigest {user pass} {
	set str "$user:webif:$pass"
	set hash [string range [exec echo -n $str | md5sum] 0 32]
	return "$user:webif:$hash"
}

settings method modacluser {user {pass 0}} {
	set fdnew [open "/mod/etc/htpasswd.new" w]

	# Remove existing user, if present.
	if {[file exists "/mod/etc/htpasswd"]} {
		set fd [open "/mod/etc/htpasswd" r]
		set num 0
		foreach line [string trim [split [read $fd] "\n"]] {
			lassign [split $line ":"] xuser
			if {$xuser eq $user} { continue }
			if {$line ne ""} {
				puts $fdnew $line
				incr num
			}
		}
		$fd close
	}

	# Add user, if required.
	if {$pass ne "0"} {
		puts $fdnew [$self htdigest $user $pass]
		incr num
		set msg "Added/updated user $user"
	} else {
		set msg "Removed user $user"
	}

	$fdnew close
	file delete "/mod/etc/htpasswd"
	file rename "/mod/etc/htpasswd.new" "/mod/etc/htpasswd"

	$self mongooseauth $num

	return $msg
}

settings method addacluser {user pass} {
	return [$self modacluser $user $pass]
}

settings method delacluser {user} {
	return [$self modacluser $user]
}

settings method smartdata {} {
	global settingsdb

	set res [$settingsdb query "
		select name, nval, tval from settings
		where name like 'SMART_%%'
	"]

	return $res
}

settings method logsize {{size -1}} {
	set val [$self _nval_setting logsize $size]
	if {$val == 0} {
		return 1048576
	}
	return $val
}

settings method logkeep {{num -1}} {
	set val [$self _nval_setting logkeep $num]
	if {$val == 0} {
		return 2
	}
	return $val
}

settings method dedup_template {{pattern -1}} {
	set val [$self _tval_setting dedup_template $pattern]
	if {$val eq "0"} { set val "s%se%E - " }
	return $val
}