"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Sequence = void 0;
const files_1 = require("../files");
const log_1 = require("../log");
var SequenceStatus;
(function (SequenceStatus) {
    SequenceStatus[SequenceStatus["IDLE"] = 0] = "IDLE";
    SequenceStatus[SequenceStatus["RUNNING"] = 1] = "RUNNING";
    SequenceStatus[SequenceStatus["PAUSED"] = 2] = "PAUSED";
})(SequenceStatus || (SequenceStatus = {}));
class Statistics {
    constructor(exposure, frames) {
        this.exposure = exposure;
        this.frames = frames;
        this.frameLoad = [];
        this.frameOpen = [];
        this.frameExposureElapsed = [];
        this.frameExposureReported = [];
        this.frameClose = [];
        this.frameTotal = [];
    }
    add(load, open, exposureElapsed, exposureReported, close, total) {
        this.frameLoad.push(load);
        this.frameOpen.push(open);
        this.frameExposureElapsed.push(exposureElapsed);
        this.frameExposureReported.push(exposureReported);
        this.frameClose.push(close);
        this.frameTotal.push(total);
    }
    average(arr) {
        return arr.reduce((a, b) => a + b) / arr.length;
    }
    elapsed() {
        return this.frameTotal.reduce((a, b) => a + b);
    }
    estimate(frame, avg) {
        const frames = this.frames - frame;
        return frames * avg;
    }
    margin(target, arr) {
        const min = Math.min(...arr);
        const max = Math.max(...arr);
        const diff = Math.abs(max - min);
        return (diff / target) / 2;
    }
    calculate(frame) {
        if (this.frameTotal.length === 0) {
            return null;
        }
        const totalFrameAvg = this.average(this.frameTotal);
        const openAvg = this.average(this.frameOpen);
        const closeAvg = this.average(this.frameClose);
        const exposureAvg = this.average(this.frameExposureReported);
        const loadAvg = this.average(this.frameLoad);
        return {
            totalFrameLast: this.frameTotal[this.frameTotal.length - 1],
            totalFrameAvg,
            totalFrameMargin: this.margin(totalFrameAvg, this.frameTotal) * 100.0,
            fps: 1000.0 / totalFrameAvg,
            loadLast: this.frameLoad[this.frameLoad.length - 1],
            loadAvg,
            loadMargin: this.margin(loadAvg, this.frameLoad),
            openLast: this.frameOpen[this.frameOpen.length - 1],
            openAvg,
            openMargin: this.margin(openAvg, this.frameOpen) * 100.0,
            closeLast: this.frameClose[this.frameClose.length - 1],
            closeAvg,
            closeMargin: this.margin(closeAvg, this.frameClose) * 100.0,
            exposureLast: this.frameExposureReported[this.frameExposureReported.length - 1],
            exposureAvg,
            exposureMargin: this.margin(exposureAvg, this.frameExposureReported) * 100.0,
            elapsed: this.elapsed(),
            estimate: this.estimate(frame, totalFrameAvg)
        };
    }
}
class Sequence {
    constructor(camera, fd, display, ffprobe, send) {
        this.current = null;
        this.info = null;
        this.images = [];
        this.stats = null;
        this.running = false;
        this.paused = false;
        this.progress = 0;
        this.frame = 0;
        this.frames = 0;
        this.exposure = 1000;
        this.log = (0, log_1.createLog)('seq');
        this.camera = camera;
        this.fd = fd;
        this.display = display;
        this.ffprobe = ffprobe;
        this.send = send;
    }
    start() {
        if (this.current !== null) {
            this.running = true;
            this.log.info(`Started sequence: ${this.current.name}`);
            this.stats = new Statistics(this.exposure, this.frames);
            this.run();
        }
    }
    stop() {
        if (this.running && this.current !== null) {
            this.log.info(`Stopped sequence: ${this.current.name}`);
            this.running = false;
        }
    }
    isRunning() {
        return this.running;
    }
    isLoaded() {
        return this.current !== null;
    }
    async run() {
        //update running
        for (let i = this.frame; i < this.images.length; i++) {
            if (!this.running) {
                break;
            }
            try {
                await this.frameRecord();
            }
            catch (err) {
                this.log.error(`Error recording frame`, err);
            }
            this.frameAdvance();
        }
        //complete running
        this.updateClientsOnState();
        this.stats = null;
    }
    async load(seq) {
        this.current = seq;
        this.frame = 0;
        this.progress = 0;
        await this.enumerate();
        this.updateClientsOnLoad();
    }
    updateClientsOnLoad() {
        if (this.current !== null) {
            this.send({ cmd: 'select', state: this.getState() });
        }
    }
    updateClientsOnState() {
        if (this.current !== null) {
            this.send({ cmd: 'update', state: this.getState() });
        }
    }
    updateClientsOnDisplay() {
        if (this.current !== null) {
            this.send({ cmd: 'display', state: this.getState() });
        }
    }
    async enumerate() {
        let screen;
        if (this.current === null) {
            this.log.error('Cannot enumerate sequence because it is not set');
            return;
        }
        try {
            this.images = await files_1.Files.enumerateSequence(this.current.path);
        }
        catch (err) {
            this.log.error(`Error enumerating images in sequence: ${this.current.name}`, err);
            return;
        }
        this.frames = this.images.length;
        this.log.info(`Sequence ${this.current.name} contains ${this.images.length} image${this.images.length === 1 ? '' : 's'}`);
        if (this.frames > 0) {
            this.info = await this.ffprobe.info(this.images[0].path);
        }
        if (this.info !== null) {
            screen = this.display.getScreen();
            this.display.setSource(this.info.width, this.info.height);
            this.log.info(`Screen   : ${screen.width},${screen.height}`);
            this.log.info(`Sequence : ${this.info.width},${this.info.height}`);
            this.log.info(`Display  : ${JSON.stringify(this.display.getOutgoingPosition())}`);
        }
    }
    unload() {
        this.current = null;
        this.info = null;
        this.images = [];
    }
    getState() {
        const dimensions = this.display.getOutgoingPosition();
        const source = this.display.getSource();
        const screen = this.display.getScreen();
        return {
            display: {
                width: dimensions.w,
                height: dimensions.h
            },
            offset: {
                x: dimensions.x,
                y: dimensions.y
            },
            screen,
            source,
            sequence: {
                hash: this.current.hash,
                name: this.current.name,
                progress: this.progress,
                current: this.frame,
                frames: this.frames,
                status: this.getStatus()
            },
            exposure: this.exposure,
            statistics: this.stats !== null ? this.stats.calculate(this.frame) : null
        };
    }
    getUpdateState() {
        return {
            sequence: {
                hash: this.current.hash,
                name: this.current.name,
                progress: this.progress,
                current: this.frame,
                frames: this.frames,
                status: this.getStatus()
            },
            exposure: this.exposure
        };
    }
    getSequenceState() {
        if (this.current === null) {
            return null;
        }
        return {
            hash: this.current.hash,
            name: this.current.name,
            progress: this.progress
        };
    }
    setExposure(ms) {
        this.exposure = ms;
        this.log.info(`Updated exposure: ${ms}ms`);
        this.updateClientsOnState();
    }
    getStatus() {
        if (this.running && this.paused) {
            return SequenceStatus.PAUSED;
        }
        else if (this.running && !this.paused) {
            return SequenceStatus.RUNNING;
        }
        return SequenceStatus.IDLE;
    }
    getCurrent() {
        if (this.current !== null && this.images.length > 0 && typeof this.images[this.frame] !== 'undefined') {
            return this.images[this.frame];
        }
        return null;
    }
    frameAdvance(frames = 1) {
        if (this.frame + frames >= this.images.length) {
            this.frame = this.images.length - 1;
        }
        else {
            this.frame += frames;
        }
        this.progress = this.frame / (this.images.length - 1);
        this.updateClientsOnState();
    }
    frameRewind(frames = 1) {
        if (this.frame - frames < 0) {
            this.frame = 0;
        }
        else {
            this.frame -= frames;
        }
        this.progress = this.frame > 0 ? this.frame / (this.images.length - 1) : 0;
        this.updateClientsOnState();
    }
    frameSet(frame) {
        if (frame < 0) {
            frame = 0;
        }
        else if (frame > this.images.length - 1) {
            frame = this.images.length - 1;
        }
        this.frame = frame;
        this.progress = this.frame > 0 ? this.frame / (this.images.length - 1) : 0;
        this.updateClientsOnState();
    }
    updateOffset(x, y) {
        const current = this.display.getOutgoingPosition();
        const screen = this.display.getScreen();
        let totalX;
        let totalY;
        if (x !== 0) {
            if (current.x + x < 0) {
                return;
            }
            totalX = current.x + current.w + x;
            if (totalX > screen.width) {
                return;
            }
            this.display.setOffsetX(current.x + x);
        }
        if (y !== 0) {
            if (current.y + y < 0) {
                return;
            }
            totalY = current.y + current.h + y;
            if (totalY > screen.height) {
                return;
            }
            this.display.setOffsetY(current.y + y);
        }
        this.updateClientsOnDisplay();
    }
    updateSize(width, height) {
        const current = this.display.getOutgoingPosition();
        const screen = this.display.getScreen();
        let totalX;
        let totalY;
        if (width !== 0) {
            if (current.w + width < 1) {
                return;
            }
            totalX = current.x + current.w + width;
            if (totalX > screen.width) {
                return;
            }
            this.display.setWidth(current.w + width);
        }
        if (height !== 0) {
            if (current.h + height < 1) {
                return;
            }
            totalY = current.y + current.h + height;
            if (totalY > screen.height) {
                return;
            }
            this.display.setHeight(current.h + height);
        }
        this.updateClientsOnDisplay();
    }
    updateScale(scale) {
        const source = this.display.getSource();
        const current = this.display.getDimensions();
        const offset = this.display.getOffset();
        const screen = this.display.getScreen();
        let newWidth;
        let newHeight;
        let newOffsetX;
        let newOffsetY;
        if (source.getRatio() > screen.getRatio()) {
            if (current.width + scale > screen.width || current.width + scale < 1) {
                return;
            }
            newWidth = current.width + scale;
            newHeight = Math.floor(newWidth / source.getRatio());
        }
        else {
            if (current.height + scale > screen.height || current.height + scale < 1) {
                return;
            }
            newHeight = current.height + scale;
            newWidth = Math.floor(source.getRatio() * newHeight);
        }
        newOffsetX = Math.round((screen.width - newWidth) / 2);
        newOffsetY = Math.round((screen.height - newHeight) / 2);
        this.display.setWidth(newWidth);
        this.display.setHeight(newHeight);
        this.display.setOffsetX(newOffsetX);
        this.display.setOffsetY(newOffsetY);
        this.updateClientsOnDisplay();
    }
    async frameRecord() {
        const start = Date.now();
        let load;
        let open;
        let exposureElapsed;
        let exposureReported;
        let close;
        let total;
        let result;
        const img = this.images[this.frame];
        const dimensions = this.display.getOutgoingPosition();
        this.log.info(`Frame: ${this.frame} / ${this.images.length}`);
        await this.fd.load(img.path, dimensions.x, dimensions.y, dimensions.w, dimensions.h);
        load = Date.now() - start;
        await this.camera.open();
        open = Date.now() - start - load;
        result = await this.fd.display(img.path, [this.exposure]);
        exposureReported = result.reported;
        exposureElapsed = Date.now() - start - load - open;
        await this.camera.close();
        close = Date.now() - start - load - open - exposureElapsed;
        total = Date.now() - start;
        this.stats.add(load, open, exposureElapsed, exposureReported, close, total);
    }
}
exports.Sequence = Sequence;
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