# Uni Slides - Unified Makefile
# DHBW + HdM courses

.PHONY: help dev hdm-dev hdm-dev-b hdm-dev-c dhbw-dev \
	build hdm-build hdm-build-b hdm-build-c dhbw-build \
	html hdm-html hdm-html-b hdm-html-c \
	pdf hdm-pdf hdm-pdf-b hdm-pdf-c \
	klausur hdm-klausur hdm-klausur-b hdm-klausur-c \
	qr qr-slides optimize-images clean install deploy deploy-index

# Course configuration
COURSE_HDM = 223015b 223015c
COURSE_DHBW = dhbw
SLIDES_DIR = slides

# HdM course settings
223015b_NAME = Dateiformate, Schnittstellen, Speichermedien
223015b_KAPITEL = 00-intro 01-grundlagen-text-audio 02-bild-audio-video 03-speichermedien-schnittstellen 04-distribution-apis-zukunft 05-vertiefung-offene-fragen klausurfolien klausurfragen

223015c_NAME = Internettechnologien
223015c_KAPITEL = 01-geschichte-grundlagen-html 02-netzwerke-protokolle-css 03-interaktivitaet-javascript klausurfolien klausurfragen

# DHBW course settings
dhbw_NAME = Technik I – Grundlagen IT
dhbw_KAPITEL = 01_web_eng 02_css_extended 03_nodejs_basics 04_nodejs_advanced

# Deploy paths
HDM_DEPLOY_PATH = /home/tengo/html/hdm
DHBW_DEPLOY_PATH = /home/tengo/html

DEPLOY_HOST = tengo@tuttle.uberspace.de

# Default target
help:
	@echo "Uni Slides - DHBW + HdM Build System"
	@echo ""
	@echo "HdM Courses:"
	@echo "  223015b - Dateiformate, Schnittstellen, Speichermedien"
	@echo "  223015c - Internettechnologien"
	@echo ""
	@echo "DHBW Courses:"
	@echo "  dhbw - Technik I – Grundlagen IT"
	@echo ""
	@echo "Development:"
	@echo "  make hdm-dev        - Live server all HdM courses (port 1312, HMR)"
	@echo "  make hdm-dev-b     - 223015b only (port 1313, HMR)"
	@echo "  make hdm-dev-c     - 223015c only (port 1314, HMR)"
	@echo "  make dhbw-dev      - DHBW live server (port 1315, HMR)"
	@echo ""
	@echo "Build (HdM):"
	@echo "  make hdm-build     - Build all HdM courses"
	@echo "  make hdm-build-b   - Build 223015b only"
	@echo "  make hdm-build-c   - Build 223015c only"
	@echo "  make hdm-html      - HTML only all HdM"
	@echo "  make hdm-pdf       - PDF only all HdM"
	@echo ""
	@echo "Build (DHBW):"
	@echo "  make dhbw-build    - Build DHBW course"
	@echo ""
	@echo "Klausur (HdM):"
	@echo "  make hdm-klausur   - Extract klausurfolien all HdM"
	@echo "  make hdm-klausur-b - 223015b only"
	@echo "  make hdm-klausur-c - 223015c only"
	@echo ""
	@echo "Tools:"
	@echo "  make qr URL=...                    - Generate QR code"
	@echo "  make qr-slides COURSE=223015b      - QR for course URL"
	@echo "  make optimize-images COURSE=223015b - Resize images"
	@echo ""
	@echo "Deploy:"
	@echo "  make deploy        - Deploy all courses"
	@echo "  make hdm-deploy   - Deploy all HdM courses"
	@echo "  make dhbw-deploy  - Deploy DHBW course"
	@echo ""
	@echo "Other:"
	@echo "  make clean         - Remove generated files"

# Ensure build directories exist
build/.exists:
	@mkdir -p build/223015b build/223015c build/dhbw
	@touch $@

# Development servers (HdM)
hdm-dev:
	@./scripts/dev-server.sh

hdm-dev-b:
	@./scripts/dev-server.sh 223015b 1313

hdm-dev-c:
	@./scripts/dev-server.sh 223015c 1314

dev-kill:
	@-fuser -k 1312/tcp 2>/dev/null || true
	@-fuser -k 1313/tcp 2>/dev/null || true
	@-fuser -k 1314/tcp 2>/dev/null || true

# DHBW dev (using HdM dev-server for now)
dhbw-dev:
	@./scripts/dev-server.sh dhbw 1315

# HdM build functions
define hdm_build_course
	@echo "Building $(1)..."
	@mkdir -p build/$(1)
	@cp -r $(SLIDES_DIR)/$(1)/assets build/$(1)/ 2>/dev/null || true
	@cp -r $(SLIDES_DIR)/$(1)/materials build/$(1)/ 2>/dev/null || true
	@for f in $($(1)_KAPITEL); do \
		if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
			echo "  Building $$f..."; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md -o build/$(1)/$$f.html; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
		fi \
	done
	@./scripts/generate-index.sh $(1) build/$(1)
endef

hdm-build-b: build/.exists
	$(call hdm_build_course,223015b)

hdm-build-c: build/.exists
	$(call hdm_build_course,223015c)

hdm-build: hdm-build-b hdm-build-c
	@echo "All HdM courses built!"

# DHBW build function
define dhbw_build_course
	@echo "Building $(1)..."
	@mkdir -p build/$(1)
	@cp -r $(SLIDES_DIR)/$(1)/assets build/$(1)/ 2>/dev/null || true
	@for f in $($(1)_KAPITEL); do \
		if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
			echo "  Building $$f..."; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md -o build/$(1)/$$f.html; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
		fi \
	done
	@./scripts/generate-index.sh $(1) build/$(1)
endef

dhbw-build: build/.exists
	$(call dhbw_build_course,dhbw)

# HdM HTML only
define hdm_html_course
	@echo "Building HTML for $(1)..."
	@mkdir -p build/$(1)
	@cp -r $(SLIDES_DIR)/$(1)/assets build/$(1)/ 2>/dev/null || true
	@cp -r $(SLIDES_DIR)/$(1)/materials build/$(1)/ 2>/dev/null || true
	@for f in $($(1)_KAPITEL); do \
		if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
			echo "  $$f.html"; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md -o build/$(1)/$$f.html; \
		fi \
	done
	@./scripts/generate-index.sh $(1) build/$(1)
endef

hdm-html-b: build/.exists
	$(call hdm_html_course,223015b)

hdm-html-c: build/.exists
	$(call hdm_html_course,223015c)

hdm-html: hdm-html-b hdm-html-c

# HdM PDF only
define hdm_pdf_course
	@echo "Building PDFs for $(1)..."
	@mkdir -p build/$(1)
	@for f in $($(1)_KAPITEL); do \
		if [ -f "$(SLIDES_DIR)/$(1)/$$f.md" ]; then \
			echo "  $$f.pdf"; \
			npx @marp-team/marp-cli $(SLIDES_DIR)/$(1)/$$f.md --pdf --allow-local-files -o build/$(1)/$$f.pdf; \
		fi \
	done
endef

hdm-pdf-b: build/.exists
	$(call hdm_pdf_course,223015b)

hdm-pdf-c: build/.exists
	$(call hdm_pdf_course,223015c)

hdm-pdf: hdm-pdf-b hdm-pdf-c

# Legacy aliases (no prefix)
build: hdm-build
html: hdm-html
pdf: hdm-pdf

# Klausur extraction (HdM)
hdm-klausur-b:
	@./scripts/extract-klausur.sh 223015b

hdm-klausur-c:
	@./scripts/extract-klausur.sh 223015c

hdm-klausur: hdm-klausur-b hdm-klausur-c
	@echo "Klausurfolien slides extracted for all HdM courses!"

klausur: hdm-klausur

# QR Code generation
qr:
ifndef URL
	@echo "Usage: make qr URL=https://example.com"
	@echo "       make qr URL=https://example.com OUTPUT=my-qr.png"
else
	@nix-shell -p qrencode --run 'qrencode -o $(or $(OUTPUT),qr-code.png) -s 10 "$(URL)"'
	@echo "Generated: $(or $(OUTPUT),qr-code.png)"
endif

qr-slides:
ifndef COURSE
	@echo "Usage: make qr-slides COURSE=223015b"
else
	@nix-shell -p qrencode --run 'qrencode -o build/$(COURSE)/qr-$(COURSE).png -s 10 "https://librete.ch/hdm/$(COURSE)/"'
	@echo "Generated: build/$(COURSE)/qr-$(COURSE).png"
endif

# Optimize images
optimize-images:
ifndef COURSE
	@echo "Usage: make optimize-images COURSE=223015b"
else
	@echo "Optimizing images for $(COURSE)..."
	@mkdir -p $(SLIDES_DIR)/$(COURSE)/assets-original
	@nix-shell -p imagemagick --run 'for img in $(SLIDES_DIR)/$(COURSE)/assets/*.png $(SLIDES_DIR)/$(COURSE)/assets/*.jpg 2>/dev/null; do \
		[ -f "$$img" ] && cp "$$img" $(SLIDES_DIR)/$(COURSE)/assets-original/ && \
		magick "$$img" -resize "1920x>" -quality 85 "$$img" && echo "  Optimized: $$(basename $$img)"; \
	done || true'
	@echo "Done! Originals in assets-original/"
endif

# Root index
build-index: build/.exists
	@echo "Building root index..."
	@mkdir -p build
	@./scripts/generate-root-index.sh

# Deploy (HdM)
define hdm_deploy_course
	@echo "Deploying $(1)..."
	scp build/$(1)/*.html $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/$(1)/
	scp build/$(1)/*.pdf $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	scp build/$(1)/*.svg $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	scp -r build/$(1)/assets/ $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	scp -r build/$(1)/materials/ $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	@echo "$(1) deployed!"
endef

hdm-deploy-b: hdm-build-b
	$(call hdm_deploy_course,223015b)

hdm-deploy-c: hdm-build-c
	$(call hdm_deploy_course,223015c)

hdm-deploy: hdm-build hdm-deploy-b hdm-deploy-c
	@echo "All HdM courses deployed!"

# Deploy (DHBW)
define dhbw_deploy_course
	@echo "Deploying $(1)..."
	scp build/$(1)/*.html $(DEPLOY_HOST):$(DHBW_DEPLOY_PATH)/$(1)/
	scp build/$(1)/*.pdf $(DEPLOY_HOST):$(DHBW_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	scp build/$(1)/*.svg $(DEPLOY_HOST):$(DHBW_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	scp -r build/$(1)/assets/ $(DEPLOY_HOST):$(DHBW_DEPLOY_PATH)/$(1)/ 2>/dev/null || true
	@echo "$(1) deployed!"
endef

dhbw-deploy: dhbw-build
	$(call dhbw_deploy_course,dhbw)

deploy-index: build-index
	@echo "Deploying root index..."
	scp build/index.html $(DEPLOY_HOST):$(HDM_DEPLOY_PATH)/ 2>/dev/null || true
	@echo "Root index deployed!"

deploy: build-index hdm-deploy dhbw-deploy deploy-index
	@echo "All courses deployed!"

# Clean
clean:
	@echo "Cleaning generated files..."
	rm -rf build/ .dev-index/ *.pdf *.html qr-code.png

# Install dependencies
install:
	@echo "Installing dependencies..."
	npm install