# Xtablo backend — task runner
#
# Portability: compose.yaml works under both `podman compose` and `docker compose` (CONTEXT D-11).
# This justfile uses `podman compose` by default; substitute `docker compose` if needed —
# the service definition is identical.
#
# Dev workflow (two terminals, per RESEARCH Open Question 2):
#   Terminal 1:  just dev            # brings up postgres, generates assets, runs air for Go live-reload
#   Terminal 2:  just styles-watch   # runs the Tailwind standalone CLI in --watch mode
#
# Tailwind is intentionally NOT chained into air's pre_cmd: piping CSS rebuilds through
# every .go save is wasteful, and the two concerns are independent (CONTEXT D-14).

set shell := ["bash", "-cu"]
set dotenv-load := true

# --- Pinned versions ------------------------------------------------------------------------
# Runtime Go modules are pinned in go.mod (chi v5.2.5, templ v0.3.1020, pgx/v5 v5.9.2,
# goose v3.27.1, uuid v1.6.0). Below: CLI tools installed by `just bootstrap`.

goose_version := "v3.27.1"
templ_version := "v0.3.1020"
sqlc_version := "v1.31.1"
air_version := "v1.65.1"

# Tailwind standalone CLI version pinned for reproducible bootstrap. Update by bumping
# this string after verifying the release at https://github.com/tailwindlabs/tailwindcss/releases

tailwind_version := "v4.0.0"

# HTMX version pinned at bootstrap time. This is the SINGLE authoritative source for the
# HTMX version — no runtime CDN reference appears anywhere else (CONTEXT D-10).

htmx_version := "2"
sortable_version := "1.15.7"

# --- Local config ---------------------------------------------------------------------------

database_url := "postgres://xtablo:xtablo@localhost:5432/xtablo?sslmode=disable"
s3_endpoint := "http://localhost:9000"
s3_bucket := "xtablo-dev"
s3_region := "us-east-1"
s3_access_key := "minioadmin"
s3_secret_key := "minioadmin"
s3_use_path_style := "true"
tailwind := "./bin/tailwindcss"
compose_config_dir := ".podman-compose"

default:
    @just --list

# Install all CLI tools and bootstrap-download Tailwind + HTMX into local paths.
# Network access required. All downloaded artifacts are gitignored — `just bootstrap` is the

# canonical reproduction step.
bootstrap:
    mkdir -p bin static
    # 1. Go-based CLI tools (versions pinned above)
    go install github.com/pressly/goose/v3/cmd/goose@{{ goose_version }}
    go install github.com/a-h/templ/cmd/templ@{{ templ_version }}
    go install github.com/sqlc-dev/sqlc/cmd/sqlc@{{ sqlc_version }}
    go install github.com/air-verse/air@{{ air_version }}
    # 2. Tailwind standalone CLI — explicit OS/arch mapping. The Tailwind release artifacts
    # use 'macos'/'linux' and 'x64'/'arm64', which do NOT match raw `uname -s` / `uname -m`
    # output (darwin vs macos, x86_64 vs x64). Resolve via case (Codex review concern #2).
    # Resolves to one of: tailwindcss-macos-x64, tailwindcss-macos-arm64,
    #                    tailwindcss-linux-x64, tailwindcss-linux-arm64
    os_name=$(uname -s); \
    arch_name=$(uname -m); \
    case "$os_name" in \
      Darwin) tw_os=macos ;; \
      Linux)  tw_os=linux ;; \
      *) echo "Unsupported OS: $os_name (Tailwind standalone supports macos/linux)"; exit 1 ;; \
    esac; \
    case "$arch_name" in \
      x86_64|amd64) tw_arch=x64 ;; \
      arm64|aarch64) tw_arch=arm64 ;; \
      *) echo "Unsupported arch: $arch_name"; exit 1 ;; \
    esac; \
    asset="tailwindcss-${tw_os}-${tw_arch}"; \
    echo "Downloading $asset @ {{ tailwind_version }}"; \
    curl -sSL -o bin/tailwindcss \
      "https://github.com/tailwindlabs/tailwindcss/releases/download/{{ tailwind_version }}/${asset}"; \
    chmod +x bin/tailwindcss
    # 3. HTMX — bootstrap-time download. This unpkg URL is the explicit allowed exception to
    # the runtime no-CDN rule (CONTEXT D-10); served HTML references only /static/htmx.min.js.
    curl -sSL -o static/htmx.min.js "https://unpkg.com/htmx.org@{{ htmx_version }}/dist/htmx.min.js"
    # 4. Sortable.js — drag-and-drop library for kanban column reordering.
    curl -sSL -o static/sortable.min.js "https://cdn.jsdelivr.net/npm/sortablejs@{{ sortable_version }}/Sortable.min.js"

compose-config:
    mkdir -p {{ compose_config_dir }}
    printf '%s\n' '{"auths":{}}' > {{ compose_config_dir }}/config.json

db-up: compose-config
    DOCKER_CONFIG="$PWD/{{ compose_config_dir }}" podman compose up -d postgres minio minio-init

db-down:
    podman compose down

# `just migrate up`, `just migrate down`, `just migrate status`, etc.
migrate cmd="status":
    GOOSE_DRIVER=postgres GOOSE_DBSTRING='{{ database_url }}' GOOSE_MIGRATION_DIR=migrations \
      goose {{ cmd }}

# templ → Go, sqlc → Go, tailwind → static/tailwind.css. Consumers (templ files, queries,
# ui CSS) land in Plans 01-02 / 01-03; until then this recipe will fail when invoked but

# its declaration is the contract.
generate:
    templ generate
    @if ls internal/db/queries/*.sql >/dev/null 2>&1; then sqlc generate; else echo "(no SQL queries yet — skipping sqlc generate)"; fi
    {{ tailwind }} -i tailwind.input.css -o static/tailwind.css

styles-watch:
    {{ tailwind }} -i tailwind.input.css -o static/tailwind.css --watch

dev: db-up
    just generate
    DATABASE_URL='{{ database_url }}' \
    S3_ENDPOINT='{{ s3_endpoint }}' \
    S3_BUCKET='{{ s3_bucket }}' \
    S3_REGION='{{ s3_region }}' \
    S3_ACCESS_KEY='{{ s3_access_key }}' \
    S3_SECRET_KEY='{{ s3_secret_key }}' \
    S3_USE_PATH_STYLE='{{ s3_use_path_style }}' \
    air -c .air.toml

# Start the worker binary (development — requires db-up and MinIO running).
worker: db-up
    DATABASE_URL='{{ database_url }}' \
    S3_ENDPOINT='{{ s3_endpoint }}' \
    S3_BUCKET='{{ s3_bucket }}' \
    S3_REGION='{{ s3_region }}' \
    S3_ACCESS_KEY='{{ s3_access_key }}' \
    S3_SECRET_KEY='{{ s3_secret_key }}' \
    S3_USE_PATH_STYLE='{{ s3_use_path_style }}' \
    go run ./cmd/worker

# Run the component catalog with live-reload on localhost:8080/ui-catalog (dev-only).
# Watches .go, .templ, and .css — rebuilds Tailwind + Go on any change.
# Visit http://localhost:8080/ui-catalog to review all 11 component sections.
catalog:
    DATABASE_URL='{{ database_url }}' \
    S3_ENDPOINT='{{ s3_endpoint }}' \
    S3_BUCKET='{{ s3_bucket }}' \
    S3_REGION='{{ s3_region }}' \
    S3_ACCESS_KEY='{{ s3_access_key }}' \
    S3_SECRET_KEY='{{ s3_secret_key }}' \
    S3_USE_PATH_STYLE='{{ s3_use_path_style }}' \
    air -c .air-catalog.toml

test:
    just generate
    go test ./...

lint:
    go vet ./...
    gofmt -l . | (grep . && exit 1 || exit 0)

build:
    just generate
    go build -o bin/web ./cmd/web
    go build -o bin/worker ./cmd/worker

# Remove all bootstrap-downloaded and generated artifacts. Does NOT touch the Postgres

# volume — run `just db-down` first if a full reset is needed.
clean:
    rm -rf bin/ tmp/ static/htmx.min.js static/sortable.min.js static/tailwind.css
    find . -name '*_templ.go' -delete