#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "${SCRIPT_DIR}"

FPS="${FPS:-30}"
VOXEL_SIZE="${VOXEL_SIZE:-0.35}"
CHARACTER_HEIGHT="${CHARACTER_HEIGHT:-3.2}"
SAMPLES_PER_EDGE="${SAMPLES_PER_EDGE:-2}"
RESOLUTION_X="${RESOLUTION_X:-832}"
RESOLUTION_Y="${RESOLUTION_Y:-480}"
# Use id_pass + postprocessed preview video for batch speed. Set MODE=both if
# rendered/voxel_render.mp4 is also needed for every long/short variant.
MODE="${MODE:-id_pass}"

SHORT_SECONDS="${SHORT_SECONDS:-10}"
LONG_SECONDS="${LONG_SECONDS:-30}"

LOG_DIR="${SCRIPT_DIR}/logs/camera_variants"
mkdir -p "${LOG_DIR}"

run_case() {
	local base="$1"
	local trajectory="$2"
	local seconds="$3"
	shift 3
	local scene="${base}_${trajectory}"
	local log="${LOG_DIR}/${scene}.log"

	echo "===== build ${scene} (${seconds}s @ ${FPS}fps, ${trajectory}) ====="
	blender --background --python make_asset_scene.py -- \
		--scene-name "${scene}" \
		--trajectory "${trajectory}" \
		--seconds "${seconds}" \
		--fps "${FPS}" \
		--resolution-x "${RESOLUTION_X}" \
		--resolution-y "${RESOLUTION_Y}" \
		--character-height "${CHARACTER_HEIGHT}" \
		--voxel-size "${VOXEL_SIZE}" \
		--samples-per-edge "${SAMPLES_PER_EDGE}" \
		"$@" >"${log}" 2>&1

	echo "===== process ${scene} ====="
	MODE="${MODE}" FPS="${FPS}" bash run.sh "${scene}" >>"${log}" 2>&1
	tail -n 8 "${log}"
}

run_all_variants() {
	local base="$1"
	shift
	run_case "${base}" short_right_leave_return "${SHORT_SECONDS}" "$@"
	run_case "${base}" short_yaw_right_left "${SHORT_SECONDS}" "$@"
	run_case "${base}" short_forward_back "${SHORT_SECONDS}" "$@"
	run_case "${base}" complex_dolly_orbit_return "${LONG_SECONDS}" "$@"
	run_case "${base}" complex_orbit_character "${LONG_SECONDS}" "$@"
	run_case "${base}" complex_move_rotate "${LONG_SECONDS}" "$@"
}

run_all_variants sketch_boxing_thing \
	--environment "sketchfab/there-is-something/source/Untitled.glb" \
	--environment-xy "0,11" \
	--character-xy "0,-0.5" \
	--character "fbx/Boxing.fbx"

run_all_variants sketch_change_city3 \
	--environment "sketchfab/procedural-city-3/source/Terrain Remaked.glb" \
	--environment-xy "0,11" \
	--character-xy "0,-0.5" \
	--character "fbx/Change Direction.fbx"

run_all_variants sketch_hiphop_duplex \
	--environment "sketchfab/duplex/source/Duplex.glb" \
	--environment-xy "0,11" \
	--character-xy "0,-0.5" \
	--character "fbx/Hip Hop Dancing.fbx"

run_all_variants sketch_situps_barr \
	--environment "sketchfab/m2020-zcam-barrabiddy-sol-993/source/m1_sol_0900s_Barr.glb" \
	--environment-xy "0,11" \
	--character-xy "0,-0.5" \
	--character "fbx/Situps.fbx"

run_all_variants sketch_swing_city5 \
	--environment "sketchfab/procedural-city-5/source/Terrain Remaked.glb" \
	--environment-xy "0,11" \
	--character-xy "0,-0.5" \
	--character "fbx/Swing Dancing.fbx"

echo "[done] camera variant batch complete. Logs: ${LOG_DIR}"