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/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.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/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/zo.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.webp width=24px height=24px></td><td><img src=items/windpijlen/o.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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'wind',
            data: [4,4,4,4,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4],
            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(1, 6),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'wind',
            data: [12,12,12,12,10,8,10,10,10,10,10,8,8,8,8,8,10,12,12,12,12,14,14,12,12,12],
            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(1, 16),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'wind',
            data: [21.6,21.6,21.6,21.6,18,14.4,18,18,18,18,18,14.4,14.4,14.4,14.4,14.4,18,21.6,21.6,21.6,21.6,25.2,25.2,21.6,21.6,21.6],
            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(1, 27.2),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'wind',
            data: [6,6,6,6,5,4,5,5,5,5,5,4,4,4,4,4,5,6,6,6,6,7,7,6,6,6],
            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(1, 9),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'luchtdruk',
            data: [1026.3,1026.2,1025.9,1025.9,1025.9,1026.1,1026.6,1027.2,1027.8,1028.2,1028.4,1028.5,1028.6,1028.5,1028.6,1028.8,1029,1029.2,1029.3,1029.2,1029.1,1028.8,1028.5,1028,1027.4,1026.8],
            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(1021, 1034),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'temperatuur',
            data: [17,17,17,16,15,14,13,12,11,11,11,10,9,8,7,6,7,8,10,11,13,14,15,16,17,18],
            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(5, 20),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'wolken',
            data: [0,0,0,0,0,0,0,0,0,0,22,14,2,1,0,0,0,0,0,0,0,0,0,0,0,0],
            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 neerslagChart = new Chart(neerslag, {
    type: 'bar',
    data: {
        labels: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'Global radiation',
            data: [275,234,183,125,66,16,0,0,0,0,0,0,0,0,0,8,53,114,176,233,278,308,321,314,287,245],
            backgroundColor: 'rgba(0,111,174,0.8)',
            borderColor: 'rgba(0,111,174,1)',
            borderWidth: 1
        }]
    },
    options: {
        plugins: {
            legend: {
                display: false
            }
        },
        scales: {
            y: {
                ...calculateYAxisRange(0, 326),
                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: ["15","16","17","18","19","20","21","22","23","00","01","02","03","04","05","06","07","08","09","10","11","12","13","14","15","16"],
        datasets: [{
            label: 'zicht',
            data: [37489,35772,34578,34007,50000,34369,35886,36055,35675,35460,35199,33741,31518,30262,50000,28424,29318,50000,36804,38394,50000,41918,42246,42863,50000,38982],
            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';
                    }
                }
            }
        }
    }
});