# The MIT License (MIT)
#
# Copyright (C) 2026 Scott Duensing
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

# DVX Shell Applications Makefile  -- builds DXE3 modules
#
# Source tree is now one dir per app, mirroring bin/apps/kpunch/.

include ../../common.mk

APP_INCLUDES  = -I../../libs/kpunch -I../../libs/kpunch/libdvx -I../../libs/kpunch/libdvx/platform -I../../libs/kpunch/libdvx/thirdparty -I../../widgets/kpunch -I../../libs/kpunch/libtasks -I../../libs/kpunch/dvxshell
CFLAGS        = $(DOS_CFLAGS) $(APP_INCLUDES)

OBJDIR  = ../../../obj/apps
BINROOT = ../../../bin
BINDIR  = $(BINROOT)/apps
DVXRES = ../../../bin/host/dvxres

# C apps are discovered, never listed: every directory <app>/ holding
# <app>/<app>.c is one app.  All .c files in that directory are linked into
# bin/apps/kpunch/<app>/<app>.app, and <app>/<app>.res (when present) is
# appended by dvxres with every .bmp in the directory as a dependency.
C_APP_MAINS = $(wildcard */*.c)
C_APPS      = $(sort $(foreach f,$(C_APP_MAINS),$(if $(filter $(notdir $(basename $(f))),$(patsubst %/,%,$(dir $(f)))),$(patsubst %/,%,$(dir $(f))))))

BASCOMP   = ../../../bin/host/bascomp
# BASIC apps: each is a .dbp project in its own directory.
# BASIC-only notepad, imgview, etc. replace the old C versions.
BASIC_APPS = iconed notepad imgview helpedit resedit basdemo widshow

.PHONY: all clean $(C_APPS) dvxbasic $(BASIC_APPS)

all: $(C_APPS) dvxbasic $(BASIC_APPS)

dvxbasic:
	$(MAKE) -C dvxbasic

# bascomp is produced by the dvxbasic sub-make; this rule gives the BASIC app
# rules a real target to depend on so parallel builds order correctly.
$(BASCOMP): | dvxbasic
	@:

# Per-app sources, objects and resource inputs.
appSrcs = $(wildcard $(1)/*.c)
appObjs = $(patsubst $(1)/%.c,$(OBJDIR)/$(1)/%.o,$(call appSrcs,$(1)))
appRes  = $(wildcard $(1)/$(1).res)
appDeps = $(call appRes,$(1)) $(if $(call appRes,$(1)),$(wildcard $(1)/*.bmp))

# $(1) = app directory name.  $(2) = extra shell commands run after linking
# (empty for most apps).
define C_APP_RULES
$(1): $(BINDIR)/kpunch/$(1)/$(1).app

$(BINDIR)/kpunch/$(1)/$(1).app: $(call appObjs,$(1)) $(call appDeps,$(1))
	@mkdir -p $$(dir $$@)
	$$(DXE3GEN) -o $$@ -U $(call appObjs,$(1))
	$(if $(call appRes,$(1)),cd $(1) && ../$$(DVXRES) build ../$$@ $(1).res)
	$(2)

$(OBJDIR)/$(1)/%.o: $(1)/%.c $$(DVX_MAKEFILES)
	@mkdir -p $$(dir $$@)
	$$(CC) $$(CFLAGS) -c -o $$@ $$<
endef

DVXDEMO_BMPS = logo.bmp new.bmp open.bmp sample.bmp save.bmp
DVXDEMO_POST = cp $(addprefix dvxdemo/,$(DVXDEMO_BMPS)) $(BINDIR)/kpunch/dvxdemo/

$(foreach a,$(C_APPS),$(eval $(call C_APP_RULES,$(a),$(if $(filter dvxdemo,$(a)),$(DVXDEMO_POST)))))

C_APP_OBJS = $(foreach a,$(C_APPS),$(call appObjs,$(a)))

# BASIC apps (compiled from .dbp projects via bascomp). Source for each app
# is under the app's own directory.
#
# F1 needs no resource: the shell presets an app's help file to <name>.hlp
# beside the .app (compiled there from <dir>/<name>.dhs by compile-help).

iconed: $(BINDIR)/kpunch/iconed/iconed.app

$(BINDIR)/kpunch/iconed/iconed.app: iconed/iconed.dbp iconed/iconed.frm iconed/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/iconed dvxbasic
	$(BASCOMP) iconed/iconed.dbp -o $@ -release

notepad: $(BINDIR)/kpunch/notepad/notepad.app

$(BINDIR)/kpunch/notepad/notepad.app: notepad/notepad.dbp notepad/notepad.frm notepad/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/notepad dvxbasic
	$(BASCOMP) notepad/notepad.dbp -o $@ -release

imgview: $(BINDIR)/kpunch/imgview/imgview.app

$(BINDIR)/kpunch/imgview/imgview.app: imgview/imgview.dbp imgview/imgview.frm imgview/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/imgview dvxbasic
	$(BASCOMP) imgview/imgview.dbp -o $@ -release

helpedit: $(BINDIR)/kpunch/dvxhelp/helpedit.app

$(BINDIR)/kpunch/dvxhelp/helpedit.app: dvxhelp/helpedit/helpedit.dbp dvxhelp/helpedit/helpedit.frm dvxhelp/helpedit/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/dvxhelp dvxbasic
	$(BASCOMP) dvxhelp/helpedit/helpedit.dbp -o $@ -release

resedit: $(BINDIR)/kpunch/resedit/resedit.app

$(BINDIR)/kpunch/resedit/resedit.app: resedit/resedit.dbp resedit/resedit.frm resedit/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/resedit dvxbasic
	$(BASCOMP) resedit/resedit.dbp -o $@ -release

basdemo: $(BINDIR)/kpunch/basdemo/basdemo.app

$(BINDIR)/kpunch/basdemo/basdemo.app: basdemo/basdemo.dbp basdemo/basdemo.frm basdemo/shape.cls basdemo/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/basdemo dvxbasic
	$(BASCOMP) basdemo/basdemo.dbp -o $@ -release

widshow: $(BINDIR)/kpunch/widshow/widshow.app

$(BINDIR)/kpunch/widshow/widshow.app: widshow/widshow.dbp widshow/widshow.frm widshow/ICON32.BMP $(BASCOMP) | $(BINDIR)/kpunch/widshow dvxbasic
	$(BASCOMP) widshow/widshow.dbp -o $@ -release

# Native host build (test harness): each C app becomes a plain ELF shared
# object under obj/host/apps/<name>.so with its resources appended by
# dvxres exactly as on DOS (the resource footer trails the ELF image, which
# the dynamic loader ignores).  SAN/COV per common.mk.
HOSTOBJDIR    = $(HOST_OBJROOT)/apps
HOSTCFLAGS    = $(HOST_CFLAGS) $(APP_INCLUDES)
HOSTLDFLAGS   = -shared $(HOST_LDFLAGS) $(HOST_APP_LDFLAGS)
HOST_SOS      = $(foreach n,$(C_APPS),$(HOSTOBJDIR)/$(n).so)

appHostObjs = $(patsubst $(1)/%.c,$(HOSTOBJDIR)/$(1)/%.o,$(call appSrcs,$(1)))

# $(1) = app directory name.
define C_APP_HOST_RULES
$(HOSTOBJDIR)/$(1).so: $(call appHostObjs,$(1)) $(call appDeps,$(1))
	$$(HOSTCC) $$(HOSTLDFLAGS) -o $$@ $(call appHostObjs,$(1))
	$(if $(call appRes,$(1)),cd $(1) && ../$$(DVXRES) build ../$$@ $(1).res)

$(HOSTOBJDIR)/$(1)/%.o: $(1)/%.c $$(DVX_MAKEFILES)
	@mkdir -p $$(dir $$@)
	$$(HOSTCC) $$(HOSTCFLAGS) -c -o $$@ $$<
endef

$(foreach a,$(C_APPS),$(eval $(call C_APP_HOST_RULES,$(a))))

HOST_APP_OBJS = $(foreach a,$(C_APPS),$(call appHostObjs,$(a)))

.PHONY: host host-clean

host: $(HOST_SOS)

host-clean:
	rm -rf $(HOSTOBJDIR)

$(BINDIR)/kpunch/dvxhelp:   ; mkdir -p $@
$(BINDIR)/kpunch/iconed:    ; mkdir -p $@
$(BINDIR)/kpunch/notepad:   ; mkdir -p $@
$(BINDIR)/kpunch/imgview:   ; mkdir -p $@
$(BINDIR)/kpunch/resedit:   ; mkdir -p $@
$(BINDIR)/kpunch/basdemo:   ; mkdir -p $@
$(BINDIR)/kpunch/widshow:   ; mkdir -p $@

-include $(C_APP_OBJS:.o=.d) $(HOST_APP_OBJS:.o=.d)

clean:
	rm -f $(C_APP_OBJS) $(C_APP_OBJS:.o=.d)
	rm -f $(foreach a,$(C_APPS),$(BINDIR)/kpunch/$(a)/$(a).app)
	rm -f $(addprefix $(BINDIR)/kpunch/dvxdemo/,$(DVXDEMO_BMPS))
	rm -f $(BINDIR)/kpunch/iconed/iconed.app
	rm -f $(BINDIR)/kpunch/notepad/notepad.app
	rm -f $(BINDIR)/kpunch/imgview/imgview.app
	rm -f $(BINDIR)/kpunch/dvxhelp/helpedit.app
	rm -f $(BINDIR)/kpunch/resedit/resedit.app
	rm -f $(BINDIR)/kpunch/basdemo/basdemo.app
	rm -f $(BINDIR)/kpunch/widshow/widshow.app
	$(MAKE) -C dvxbasic clean