var windv = document.getElementById('windc').getContext('2d');
var windkmh = document.getElementById('windkmh').getContext('2d');
var windms = document.getElementById('windms').getContext('2d');
var windknp = document.getElementById('windknp').getContext('2d');

var luchtdruk = document.getElementById('luchtdruk').getContext('2d');
var temperatuur = document.getElementById('temperatuur').getContext('2d');
var wolken = document.getElementById('bewolking').getContext('2d');
var mwolken = document.getElementById('mbewolking').getContext('2d');
var hwolken = document.getElementById('hbewolking').getContext('2d');
var neerslag = document.getElementById('neerslag').getContext('2d');
var straling = document.getElementById('straling').getContext('2d');
var zicht = document.getElementById('zicht').getContext('2d');
var radarverwachting = document.getElementById('radarverwachting').getContext('2d');

// $("#windr").html("test");
document.getElementById("windr").innerHTML="<tr><td><img src=items/windpijlen/n.webp width=24px height=24px></td><td><img src=items/windpijlen/n.webp width=24px height=24px></td><td><img src=items/windpijlen/n.webp width=24px height=24px></td><td><img src=items/windpijlen/n.webp width=24px height=24px></td><td><img src=items/windpijlen/n.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td><td><img src=items/windpijlen/no.webp width=24px height=24px></td></tr>"; 

var gradient = windv.createLinearGradient(0, 0, 0, 400);
gradient.addColorStop(0, 'rgba(0,111,174,0.8)');
gradient.addColorStop(1, 'rgba(21,31,38,0.5)');


// Functie om min/max waarden te berekenen met 25% marge
function calculateYAxisRange(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;
    
    return {
        min: Math.max(0, minValue - margin), // Nooit onder nul
        max: maxValue + margin
    };
}

function calculateYAxisRangeTemp(minValue, maxValue) {
    const range = maxValue - minValue;
    const margin = range * 0.25;    

    var minwaarde = Math.max(0, minValue - margin); // min volgt data, maar als min niet onder nul ligt, geen negatieve ruimte tonen onder grafiek
    if (minValue < -1) {
        minwaarde = minValue - margin;
    }
    return {
        min: minwaarde,
        max: maxValue + margin
    };
}

var radarChart = new Chart(radarverwachting, {
    type: 'bar',
    data: {
        labels: ,
        datasets: [{
            label: 'Radar neerslag',
            data: ,
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, ),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var windChart = new Chart(windv, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wind',
            data: [2,2,2,1,2,2,2,2,2,2,2,2,2,2,2,2,3,2,2,2,2,2,2,2,2,2],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 5),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' bft';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' bft';
                    }
                }
            }
        }
    }
});

var windknpChart = new Chart(windknp, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wind',
            data: [4,4,4,2,4,4,4,4,6,6,6,6,6,6,6,6,8,6,6,6,6,6,4,4,4,6],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 10),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' knp';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' knp';
                    }
                }
            }
        }
    }
});

var windkmhChart = new Chart(windkmh, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wind',
            data: [7.2,7.2,7.2,3.6,7.2,7.2,7.2,7.2,10.8,10.8,10.8,10.8,10.8,10.8,10.8,10.8,14.4,10.8,10.8,10.8,10.8,10.8,7.2,7.2,7.2,10.8],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 16.4),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' km/h';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' km/h';
                    }
                }
            }
        }
    }
});

var windmsChart = new Chart(windms, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wind',
            data: [2,2,2,1,2,2,2,2,3,3,3,3,3,3,3,3,4,3,3,3,3,3,2,2,2,3],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 6),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m/s';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m/s';
                    }
                }
            }
        }
    }
});

var luchtdChart = new Chart(luchtdruk, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'luchtdruk',
            data: [1028.6,1028.7,1028.9,1029.1,1029.4,1030,1030.5,1030.9,1031.2,1031.4,1031.5,1031.6,1031.6,1031.5,1031.4,1031.2,1031.1,1031,1030.9,1030.9,1031.2,1031.5,1031.7,1031.7,1031.8,1031.9],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(1024, 1037),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' hPa';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' hPa';
                    }
                }
            }
        }
    }
});

var tempChart = new Chart(temperatuur, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'temperatuur',
            data: [16,15,15,15,14,14,16,18,20,22,23,24,25,26,26,26,26,26,25,23,21,20,19,18,17,17],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRangeTemp(13, 28),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' ºC';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' ºC';
                    }
                }
            }
        }
    }
});

var wolkenChart = new Chart(wolken, {
    type: 'bar',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wolken',
            data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var mwolkenChart = new Chart(mwolken, {
    type: 'bar',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wolken',
            data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var hwolkenChart = new Chart(hwolken, {
    type: 'bar',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'wolken',
            data: [92,87,86,75,28,49,31,65,20,0,18,7,37,82,42,69,99,96,1,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                beginAtZero: true,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' %';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' %';
                    }
                }
            }
        }
    }
});

var neerslagChart = new Chart(neerslag, {
    type: 'bar',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'neerslag',
            data: [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 2),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' mm';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' mm';
                    }
                }
            }
        }
    }
});

var stralingChart = new Chart(straling, {
    type: 'bar',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'Global radiation',
            data: [0,0,0,0,1,22,67,122,176,227,268,295,306,300,279,243,194,138,87,37,4,1,-1,0,1,0],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(-1, 311),
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' W/m2';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' W/m2';
                    }
                }
            }
        }
    }
});

var zichtChart = new Chart(zicht, {
    type: 'line',
    data: {
        labels: ["01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16","17","18","19","20","21","22","23","00","01","02"],
        datasets: [{
            label: 'zicht',
            data: [7785,6778,6237,7181,5368,6400,10649,15187,21653,26952,30205,31282,32035,32035,32348,33255,34035,30513,27440,27790,27459,22250,19651,18046,18589,20840],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1,
            fill: true
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                min: 0,
                max: 55000,
                ticks: {
                    callback: function(value, index, ticks) {
                        return value + ' m';
                    }
                }
            }
        },
        plugins: {
            tooltip: {
                enabled: true,
                mode: 'index',
                intersect: false,
                callbacks: {
                    title: function(tooltipItems) {
                        return tooltipItems[0].label + ' uur';
                    },
                    label: function(tooltipItem) {
                        return tooltipItem.raw + ' m';
                    }
                }
            }
        }
    }
});